Perhaps you should try some spelling variations:
"supply china international efforts." » "supply china international airports.", "supply china international energy.", "supply china international airport.", "supply iea international efforts.", "supply action international efforts.", "supply finance international efforts.", "supply chains international efforts.", "supply chain international efforts."
"supply crowd interaction series." » "supply crowd interactions series.", "supply crowd interaction studies.", "supply crowd interaction terms.", "supply cloud interaction series.", "supply child interactions series.", "supply robot interaction series.", "supply growth interaction series.", "supply cost interaction series.", "supply from interaction series."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply crowd interaction series.") OR ("supply china international efforts."))~.
• Removing quotes may allow a broader search: (( supply crowd interaction series. ) or ( supply china international efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd interaction series.") or ("supply china international efforts."))*.