Perhaps you should try some spelling variations:
"supply ann integration theories." » "supply ann integration theorems.", "supply ann integrationstheorie 2.", "supply ann integration theory.", "supply can integration theories.", "supply von integration theories.", "supply run integration theories.", "supply a integration theories.", "supply annual integration theories.", "supply chain integration theories."
"supply aid conservation efforts." » "supply land conservation efforts.", "supply bird conservation efforts.", "supply wild conservation efforts.", "supply asia conservation efforts.", "supply a conservation efforts.", "supply chain 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 aid conservation efforts.") or ("supply ann integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply aid conservation efforts.") OR ("supply ann integration theories.")).
• Removing quotes may allow a broader search: (( supply aid conservation efforts. ) or ( supply ann integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply aid conservation efforts.") or ("supply ann integration theories."))*.