Perhaps you should try some spelling variations:
"survey household integrated services." » "survey houses integrated services.", "survey household related services.", "survey household internet services.", "survey households integrated services.", "rural household integrated services.", "level household integrated services."
"supply cost integration efforts." » "supply cost international efforts.", "supply cost conservation efforts.", "supply post integration efforts.", "supply test integration efforts.", "supply about integration efforts.", "supply costs integration efforts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("survey household integrated services.") or ("supply cost integration efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("survey household integrated services.") OR ("supply cost integration efforts.")).
• Removing quotes may allow a broader search: (( survey household integrated services. ) or ( supply cost integration efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("survey household integrated services.") or ("supply cost integration efforts."))*.