Perhaps you should try some spelling variations:
investment services » government services, treatment services, investment choices
rates investment » notes investment, rules investment, water investment
investment fund » investment funds, investment bank, investment flows
test based » text based, rest based, trust based
kent rates » heat rates, ascent rates, events rates

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. ((agent based) or (test based)) investment services ) or ( h. kent rates investment fund ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((agent based) OR (test based)) investment services ) OR ( h. kent rates investment fund )).
• Adding a wildcard symbol may retrieve word variants: (( h. ((agent based) or (test based)) investment services ) or ( h. kent rates investment fund ))*.