Perhaps you should try some spelling variations:
factors integration » factor integration, facto integration, sector integration
cooperation efforts » conservation efforts, cooperation forms, collection efforts
integration series » integration services, interaction series, integration server
trade cooperation » border cooperation
supply factors » supply sector, supply functions
supply trade » supply case

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply factors integration series. ) or ( supply trade cooperation efforts. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply factors integration series. ) OR ( supply trade cooperation efforts. )).
• Adding a wildcard symbol may retrieve word variants: (( supply factors integration series. ) or ( supply trade cooperation efforts. ))*.