Perhaps you should try some spelling variations:
"1968 policy political crisis" » "1968 policy political crimes"
"1968 policy political clubs" » "1968 policy political classs", "1968 policy political codes", "1968 policy political cs"
"1968 policy political club" » "1968 policy political class", "1968 policy political code", "1968 policy political c"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("1968 policy political crisis") OR ((("1968 policy political clubs") OR ("1968 policy political club")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"1968 policy political crisis\") or (((\"1968 policy political clubs\") OR (\"1968 policy political club\"))))".
• Removing quotes may allow a broader search: (( 1968 policy political crisis ) or ((( 1968 policy political clubs ) OR ( 1968 policy political club )))).
• Adding a wildcard symbol may retrieve word variants: (("1968 policy political crisis") or ((("1968 policy political clubs") OR ("1968 policy political club"))))*.