Perhaps you should try some spelling variations:
"patients practice -- techonological innovations -- united states." » "patients practice -- technological innovations -- united states.", "patients practice -- technologicals innovations -- united states.", "patients practice -- technologival innovations -- united states.", "patent practice -- techonological innovations -- united states."
"patients practice -- echnological innovations -- united states." » "patients practice -- technological innovations -- united states.", "patients practice -- technologicals innovations -- united states.", "patients practice -- technologyical innovations -- united states.", "patent practice -- echnological innovations -- united states."
"patients practice -- technological innovation -- united states." » "patients practice -- technological innovations -- united states.", "patent practice -- technological innovation -- united states."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("patients practice -- techonological innovations -- united states.") OR ("patients practice -- echnological innovations -- united states."))) or ("patients practice -- technological innovation -- united states."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("patients practice -- techonological innovations -- united states.") OR ("patients practice -- echnological innovations -- united states."))) OR ("patients practice -- technological innovation -- united states.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"patients practice -- techonological innovations -- united states.\") OR (\"patients practice -- echnological innovations -- united states.\"))) or (\"patients practice -- technological innovation -- united states.\"))".
• Removing quotes may allow a broader search: (((( patients practice -- techonological innovations -- united states. ) OR ( patients practice -- echnological innovations -- united states. ))) or ( patients practice -- technological innovation -- united states. )).
• Adding a wildcard symbol may retrieve word variants: (((("patients practice -- techonological innovations -- united states.") OR ("patients practice -- echnological innovations -- united states."))) or ("patients practice -- technological innovation -- united states."))*.