Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
planning services » banking services
supply grid » supply crowd, supply great, support grid
supply farm » supply from, support farm
supply dam » supply data, supply a, supply gap

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 theories. ) or ( ((supply dam) OR (supply farm)) planning services. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply grid integration theories. ) OR ( ((supply dam) OR (supply farm)) planning services. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply grid integration theories. ) or ( ((supply dam) OR (supply farm)) planning services. ))".
• Adding a wildcard symbol may retrieve word variants: (( supply grid integration theories. ) or ( ((supply dam) OR (supply farm)) planning services. ))*.