Perhaps you should try some spelling variations:
development projects » development policy
field development » world development, child development, led development
private investor » private investors, private investment, private sector
kent private » net private, west private, kenyan private
kent field » vent fields, test field, moment field

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. kent field development projects ) or ( h. kent private investor demand ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kent field development projects ) OR ( h. kent private investor demand )).
• Adding a wildcard symbol may retrieve word variants: (( h. kent field development projects ) or ( h. kent private investor demand ))*.