Perhaps you should try some spelling variations:
"supply water integrating theories." » "supply water integration theories.", "supply water integrating countries.", "supply water integration theory.", "supply water integrated theories.", "supply market integrating theories.", "supply gaps integrating theories."
"supply chain integration systems." » "supply chain integration system.", "supply chain integrated systems.", "supply chain international systems.", "supply trade integration systems.", "supply data integration systems.", "supply grid integration systems."

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

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