Perhaps you should try some spelling variations:
"supply american conservation efforts." » "supply american construction efforts.", "supply americans preservation efforts.", "supply amphibian conservation efforts.", "supply mexican conservation efforts.", "supply africa conservation efforts.", "ugly american conservation efforts."
"supply data integration theories." » "supply data integration theorems.", "supply data integrationstheorie 2.", "supply data integration theory.", "supply data integrity theories."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply data integration theories.") or ("supply american conservation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integration theories.") OR ("supply american conservation efforts.")).
• Removing quotes may allow a broader search: (( supply data integration theories. ) or ( supply american conservation efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply data integration theories.") or ("supply american conservation efforts."))*.