Perhaps you should try some spelling variations:
"harold bridge transitional series." » "harold bridge transition series.", "harold bridge transitions series.", "harold bridge transitional periods.", "harold bridger transitional series.", "harold pre transitional series.", "harold beveridge transition series.", "harold bradley transitional series."
"harold bridge transitional period." » "harold bridger transitional period.", "harold pre transitional period.", "harold beveridge transition period.", "harold bridge transition period.", "harold bridge transition periods.", "harold bradley transitional period."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("harold bridge transitional series.") OR ("harold bridge transitional period."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"harold bridge transitional series.\") OR (\"harold bridge transitional period.\"))*".
• Removing quotes may allow a broader search: (( harold bridge transitional series. ) OR ( harold bridge transitional period. ))*.