Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
planning services » banking services
crowd planning » road planning, crop planning, growth planning
supply crowd » supply growth, supply cost, supply from
supply grid » supply great, 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 crowd planning services. ) or ( supply grid integration theories. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply crowd planning services. ) OR ( supply grid integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (( supply crowd planning services. ) or ( supply grid integration theories. ))*.