Perhaps you should try some spelling variations:
"political scientists" » "political activists", "political identity"
"political sciences" » "policy sciences", "political changes"
"politicl science" » "politcal science", "politics since", "policy sciences"
"political scene" » "political ascent", "political space", "political arena"
"policy science" » "policy sciences", "policy since", "politcal science"

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 ((((("political scene") or ((("policy science") or ("politicl science"))))) or ((("political sciences") or ("political scientists"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("political science") OR ((((("political scene") OR ((("policy science") OR ("politicl science"))))) OR ((("political sciences") OR ("political scientists")))))).
• Removing quotes may allow a broader search: (( political science ) or ((((( political scene ) or ((( policy science ) or ( politicl science ))))) or ((( political sciences ) or ( political scientists )))))).
• Adding a wildcard symbol may retrieve word variants: (("political science") or ((((("political scene") or ((("policy science") or ("politicl science"))))) or ((("political sciences") or ("political scientists"))))))*.