Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
irrigation schemes » irrigation scheme, irrigation systems
care irrigation » scale irrigation, large irrigation, farm irrigation
supply grid » supply crowd, supply great, support grid
supply care » supply case, supply curve, supply cote

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 care irrigation schemes. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply grid integration theories. ) OR ( supply care irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (( supply grid integration theories. ) or ( supply care irrigation schemes. ))*.