Perhaps you should try some spelling variations:
"harold bridger transitional society." » "harold bridger traditional society.", "harold bridger traditional societies.", "harold bridger transnational social.", "harold der transitional society.", "harold gissel transitional society.", "harold order transitions society.", "harold bradley transitional society."
"harold bridger transitional period." » "harold der transitional period.", "harold gissel transitional period.", "harold order transitions period.", "harold bridger transition period.", "harold bridger transition periods.", "harold bradley transitional period."

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: (("harold bridger transitional society.") OR ("harold bridger transitional period."))~.
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• Adding a wildcard symbol may retrieve word variants: (("harold bridger transitional society.") or ("harold bridger transitional period."))*.