Perhaps you should try some spelling variations:
"western european studies." » "western europe studies.", "eastern european studies.", "eastern europe studies."
"western crop studies." » "western crops studies.", "western cross studies.", "western europe studies.", "western group studies.", "western hop studies.", "western clamp studies."
"western erp studies." » "western art studies.", "western europe studies.", "western crops studies.", "western ecpr studies.", "western up 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 european studies.") or ((("western crop studies.") OR ("western erp studies."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("western european studies.") OR ((("western crop studies.") OR ("western erp studies.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"western european studies.\") or (((\"western crop studies.\") OR (\"western erp studies.\"))))".
• Removing quotes may allow a broader search: (( western european studies. ) or ((( western crop studies. ) OR ( western erp studies. )))).
• Adding a wildcard symbol may retrieve word variants: (("western european studies.") or ((("western crop studies.") OR ("western erp studies."))))*.