Perhaps you should try some spelling variations:
investment treaties » investment strategies, investment activities, investment incentives
investment period » investment series, investment policy, adjustment period
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 treaties ) or ( h. kent based investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. agent fixed investment treaties ) OR ( h. kent based investment period )).
• Adding a wildcard symbol may retrieve word variants: (( h. agent fixed investment treaties ) or ( h. kent based investment period ))*.