Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
facto integration » factor integration, faculty integration, sector integration
rating services » heating services, roaming services, trading services
chain rating » chain packing, chain sharing, chain coping
supply facto » supply factors, supply sector, supply data

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

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