Perhaps you should try some spelling variations:
integration theory » integration through, information theory, innovation theory
irrigation schemes » irrigation scheme, irrigation systems
roma integration » from integration, data integration, media integration
canal irrigation » scale irrigation
supply canal » supply canada, supply annual, supply china
supply roma » supply from, supply ramy, supply role

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

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