Perhaps you should try some spelling variations:
"supply china integration services." » "supply china integrating services.", "supply china integrated services.", "supply china insemination services.", "supply china's integration services.", "supply chain integration services.", "supply chains integration services."
"supply side integration theories." » "supply side integration theory.", "supply side integration through.", "supply side integration efforts.", "supply trade integration theories.", "supply asian integration theories.", "supply grid integration 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 china integration services.") or ("supply side integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply china integration services.") OR ("supply side integration theories.")).
• Removing quotes may allow a broader search: (( supply china integration services. ) or ( supply side integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply china integration services.") or ("supply side integration theories."))*.