Perhaps you should try some spelling variations:
online bibliographical » line bibliographic, includes bibliographical
world bibliographical » world bibliography, includes bibliographical
"online bibliographic searching" » "online bibliographies searching", "online bibliography searching", "online bibliograpical searching"
bibliographical » bibliographiesal, bibliographyal, bibliograpicalal

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("online bibliographic searching") or ("((online bibliographical) OR (world bibliographical)) searching"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("online bibliographic searching") OR ("((online bibliographical) OR (world bibliographical)) searching")).
• Removing quotes may allow a broader search: (( online bibliographic searching ) or ( ((online bibliographical) OR (world bibliographical)) searching )).
• Adding a wildcard symbol may retrieve word variants: (("online bibliographic searching") or ("((online bibliographical) OR (world bibliographical)) searching"))*.

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