Perhaps you should try some spelling variations:
integration theories » integration theory, integration through, integration efforts
integration schemes » irrigation schemes, integration some
modal integration » global integration, social integration, tool integration
grid integration » trade integration, _ integration, data integration
supply modal » supply social, supply rural
supply grid » supply crowd, support grid

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

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