Perhaps you should try some spelling variations:
"export service integration soziale." » "export service innovation soziale.", "export services international soziale.", "export services information soziale.", "export service integration social.", "export services integration soziale.", "exports services integration soziale.", "airport service integration soziale."
"supply rural irrigation systems." » "supply murray irrigation systems.", "supply canal irrigation systems.", "supply gray irrigation systems.", "supply curve irrigation systems.", "supply rural irrigation system."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("export service integration soziale.") or ("supply rural irrigation systems."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("export service integration soziale.") OR ("supply rural irrigation systems."))*.
• Removing quotes may allow a broader search: (( export service integration soziale. ) or ( supply rural irrigation systems. ))*.