Perhaps you should try some spelling variations:
"supply systems irrigation projects." » "supply systems sanitation projects.", "supply systemes d'irrigation projects.", "supply systems integration projects.", "supply systems innovation projects."
"supply asset tracking services." » "supply asset trucking services.", "supply asset tracking service.", "supply asset training services.", "supply target tracking services.", "supply asset pricing services.", "supply fast tracking services.", "supply assets tracking services.", "supply aspect tracking services.", "supply aspects tracking services."

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 systems irrigation projects.") or ("supply asset tracking services."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply systems irrigation projects.") OR ("supply asset tracking services.")).
• Removing quotes may allow a broader search: (( supply systems irrigation projects. ) or ( supply asset tracking services. )).
• Adding a wildcard symbol may retrieve word variants: (("supply systems irrigation projects.") or ("supply asset tracking services."))*.