Perhaps you should try some spelling variations:
investment series » investment services, investment barriers, investment treaties
based investment » fixed investment, best investment, bond investment
investment costs » investment funds, investment flows, investment banks
net investment » debt investment, _ investment, direct investment
kent based » agent based, test based

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kent based investment series ) OR ( h. kent net investment costs ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. kent based investment series ) OR ( h. kent net investment costs ))*.