Perhaps you should try some spelling variations:
"college stimulates development policies." » "college stimulate development policies.", "college simulator development policies.", "college studies development policies.", "college stimulates development policy."
"college trades development projects." » "college trades development policy.", "college trade development projects.", "college trade developments projects.", "college trade developement projects.", "college des development projects.", "college grants development projects.", "college rape development projects."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("college stimulates development policies.") or ("college trades development projects."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("college stimulates development policies.") OR ("college trades development projects."))*.
• Removing quotes may allow a broader search: (( college stimulates development policies. ) or ( college trades development projects. ))*.