Perhaps you should try some spelling variations:
"supply data integration theories." » "supply data integration theory.", "supply data integration through.", "supply data integration efforts.", "supply trade integration theories.", "supply _ integration theories.", "supply data integrity theories."
"supply water integrating policies." » "supply water international policies.", "supply water integrating countries.", "supply water immigration policies.", "supply water integrated policies.", "supply market integrating policies.", "supply gaps integrating policies."

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 water integrating policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integration theories.") OR ("supply water integrating policies.")).
• Removing quotes may allow a broader search: (( supply data integration theories. ) or ( supply water integrating policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply data integration theories.") or ("supply water integrating policies."))*.