Perhaps you should try some spelling variations:
"1968 policy political crisis" » "1968 policy political crimes"
"1968 policy political clubs" » "1968 policy political club", "1968 policy political clues"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"1968 policy political crisis\") OR (\"1968 policy political clubs\"))".
• Removing quotes may allow a broader search: (( 1968 policy political crisis ) OR ( 1968 policy political clubs )).
• Adding a wildcard symbol may retrieve word variants: (("1968 policy political crisis") OR ("1968 policy political clubs"))*.