Perhaps you should try some spelling variations:
"western europe studies." » "eastern europe studies.", "western europa studies.", "western european studies.", "western europe sources."
"western cross studies." » "western crops studies.", "western dress studies.", "western blots studies.", "western across studies.", "western crossing studies.", "western process studies."
"western crop studies." » "western crops studies.", "western crete studies.", "western blot studies.", "western group studies.", "western erp studies.", "western hop studies."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("western europe studies.") or ((("western crop studies.") OR ("western cross studies."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("western europe studies.") OR ((("western crop studies.") OR ("western cross studies.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"western europe studies.\") or (((\"western crop studies.\") OR (\"western cross studies.\"))))".
• Removing quotes may allow a broader search: (( western europe studies. ) or ((( western crop studies. ) OR ( western cross studies. )))).
• Adding a wildcard symbol may retrieve word variants: (("western europe studies.") or ((("western crop studies.") OR ("western cross studies."))))*.