Perhaps you should try some spelling variations:
"supply needs integration theories." » "supply needs integration theory.", "supply needs integration through.", "supply needs integration efforts.", "supply deep integration theories.", "supply nepal integration theories.", "supply energy integration theories."
"supply crowd integration series." » "supply crowd integrating services.", "supply crowd integration schemes.", "supply crowd integration social.", "supply grid integration series.", "supply trade integration series.", "supply chain integration series.", "supply growth integration series.", "supply cost integration series.", "supply how integration series."

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

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