Perhaps you should try some spelling variations:
investment process » investment projects, investment programs, investment program
investment series » investment services, investment barriers, investment treaties
fixed investment » direct investment
based investment » best investment, bond investment, related investment
kent based » agent based, event based, text 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. agent fixed investment series ) or ( h. kent based investment process ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. agent fixed investment series ) OR ( h. kent based investment process )).
• Adding a wildcard symbol may retrieve word variants: (( h. agent fixed investment series ) or ( h. kent based investment process ))*.