Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
integrating services » integration services, integrated services, regulating services
factor integrating » factor integration, facto integration, faso integrating
fare integration » trade integration, die integration
supply factor » supply factors, supply sector
supply fare » supply farm, supply case, supply figure

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

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