Perhaps you should try some spelling variations:
investment demands » investment demand, investment funds, investment banks
investment rates » investment rate, investment banks, investment flows
based investment » fixed investment, best investment, bond investment
current rates » current rate, current ratio, current water
rent rates » heat rates, rent taxes
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. ((rent rates) OR (current rates)) investment rates ) or ( h. kent based investment demands ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((rent rates) OR (current rates)) investment rates ) OR ( h. kent based investment demands )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((rent rates) OR (current rates)) investment rates ) or ( h. kent based investment demands ))".
• Adding a wildcard symbol may retrieve word variants: (( h. ((rent rates) OR (current rates)) investment rates ) or ( h. kent based investment demands ))*.