Perhaps you should try some spelling variations:
"political terrorist" » "political terrorism", "political terror", "critical terrorism"
"political theorist" » "political theorists", "political theories", "political theory"
"politics theories" » "politics series"
"critical theory" » "political theory"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("political theorist") or ((("politics theories") or ("critical theory"))))) or ("political terrorist"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("political theorist") OR ((("politics theories") OR ("critical theory"))))) OR ("political terrorist")).
• Removing quotes may allow a broader search: (((( political theorist ) or ((( politics theories ) or ( critical theory ))))) or ( political terrorist )).
• Adding a wildcard symbol may retrieve word variants: (((("political theorist") or ((("politics theories") or ("critical theory"))))) or ("political terrorist"))*.