Perhaps you should try some spelling variations:
development projects » development policy
based development » basin development, land development, rapid development
greater investor » greater investment, private investor, estate investor
investor demand » investment demand
kent based » agent based, test based

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 based development projects ) OR ( h. kent greater investor demand ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kent based development projects ) OR ( h. kent greater investor demand ))".
• Adding a wildcard symbol may retrieve word variants: (( h. kent based development projects ) OR ( h. kent greater investor demand ))*.