Perhaps you should try some spelling variations:
"supply urban integration theories." » "supply urban integration theory.", "supply urban integration through.", "supply urban integration efforts.", "supply european integration theories.", "supply global integration theories.", "supply trade integration theories.", "supply rural integration theories."
"supply good conservation efforts." » "supply soil conservation efforts.", "supply land conservation efforts.", "supply bird conservation efforts.", "supply crowd conservation efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply good conservation efforts.") or ("supply urban integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply good conservation efforts.") OR ("supply urban integration theories.")).
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