Perhaps you should try some spelling variations:
"harold bridger traditional societies." » "harold bridger transitional societies.", "harold drives traditional societies.", "harold gender traditional societies.", "harold bradley traditional societies.", "harold bradleyr traditional societies."
"harold bridge transition periods." » "harold bridge transition period.", "harold bridge transition series.", "harold beveridge transition periods.", "harold bridger transitional periods.", "harold brittle transition periods.", "harold bradley transition periods."

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: "((\"harold bridger traditional societies.\") OR (\"harold bridge transition periods.\"))~".
• Removing quotes may allow a broader search: (( harold bridger traditional societies. ) OR ( harold bridge transition periods. ))~.
• Adding a wildcard symbol may retrieve word variants: (("harold bridger traditional societies.") OR ("harold bridge transition periods."))*.