Perhaps you should try some spelling variations:
integration theories » integration theory, integration through, integration efforts
integration social » international social
dat_ integration » data integration, facto integration, _ integration
a integration » _ integration, can integration, eu integration
support dat_ » support data, support state, support water
support a » support _

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

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