Perhaps you should try some spelling variations:
"supply functions integration services." » "supply functional integration services.", "supply function interaction services.", "supply functional interaction services.", "supply functions integrating services.", "supply functions integrated services.", "supply functions insemination services.", "supply function integration services.", "supply conditions integration services."
"supply data integration schemes." » "supply data integration schengen.", "supply data irrigation schemes.", "supply data integration regimes.", "supply data integrity schemes."

Try widening your search to All Fields.

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

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