Perhaps you should try some spelling variations:
"political sciences" » "political scientists", "policy sciences", "political changes"
"politcal science" » "political scene", "social science", "policy sciences"
"politicl science" » "politics since", "political scene", "policy sciences"
"policy science" » "policy sciences", "policy since"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("political science") or ((((((("politcal science") OR ("politicl science"))) or ("policy science"))) or ("political sciences"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("political science") OR ((((((("politcal science") OR ("politicl science"))) OR ("policy science"))) OR ("political sciences")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"political science\") or (((((((\"politcal science\") OR (\"politicl science\"))) or (\"policy science\"))) or (\"political sciences\"))))".
• Removing quotes may allow a broader search: (( political science ) or ((((((( politcal science ) OR ( politicl science ))) or ( policy science ))) or ( political sciences )))).
• Adding a wildcard symbol may retrieve word variants: (("political science") or ((((((("politcal science") OR ("politicl science"))) or ("policy science"))) or ("political sciences"))))*.

One or more facet filters have been applied to this search. If you remove filters, you may retrieve more results. Remove all filters from this search.