Perhaps you should try some spelling variations:
"support china integrating countries." » "support china importing countries.", "support china immigration countries.", "support china integrating culture.", "support china integration countries.", "support china integrated countries.", "support count integrating countries.", "support china's integrating countries.", "report china integrating countries."
"support grant integration series." » "support grant integration theories.", "support grant integrating services.", "support grant integration schemes.", "support migrant integration series.", "support trade integration series.", "support grid 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: (("support grant integration series.") or ("support china integrating countries."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support grant integration series.") OR ("support china integrating countries.")).
• Removing quotes may allow a broader search: (( support grant integration series. ) or ( support china integrating countries. )).
• Adding a wildcard symbol may retrieve word variants: (("support grant integration series.") or ("support china integrating countries."))*.