Perhaps you should try some spelling variations:
"support patient interaction efforts." » "support patient integration efforts.", "support patient interaction effects.", "support patient interaction affects.", "support patient information efforts.", "support matter interaction efforts.", "support patient satisfaction efforts.", "support patients interaction efforts.", "support payments interaction efforts.", "support client interaction efforts."
"support data irrigation scheme." » "support data irrigation systems.", "support delta irrigation scheme.", "support canal irrigation scheme.", "support water irrigation scheme.", "support a irrigation scheme.", "support de irrigation scheme."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support data irrigation scheme.") or ("support patient interaction efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support data irrigation scheme.") OR ("support patient interaction efforts.")).
• Removing quotes may allow a broader search: (( support data irrigation scheme. ) or ( support patient interaction efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("support data irrigation scheme.") or ("support patient interaction efforts."))*.