Perhaps you should try some spelling variations:
investment demands » investment demand, investment funds, investment trends
rates investment » notes investment, rules investment, water investment
investment banks » investment bank
bond investment » bond investments, road investment, fund investment
rent rates » heat rates, rent taxes, current rates

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. rent rates investment banks ) OR ( h. (kent OR went) bond investment demands ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. rent rates investment banks ) or ( h. (kent or went) bond investment demands ))*.