Perhaps you should try some spelling variations:
"support c integration theories." » "support c integration theorems.", "support c integrationstheorie 2.", "support c integration theory.", "support 3 integration theories.", "support 2 integration theories.", "support 4 integration theories.", "support _ integration theories.", "support a integration theories."
"support statt integration efforts." » "support statt international efforts.", "support statt conservation efforts.", "support data integration efforts.", "support smt integration efforts.", "support statt entegrasyon efforts.", "support start integration efforts.", "support state integration efforts.", "support staff integration efforts."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("support c integration theories.") OR ("support statt integration efforts."))~.
• Removing quotes may allow a broader search: (( support c integration theories. ) or ( support statt integration efforts. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support c integration theories.") or ("support statt integration efforts."))*.