Perhaps you should try some spelling variations:
investment period » investment series, investment policy, investment demand
fixed investment » direct investment
based investment » best investment, bond investment, related investment
investment ties » investment does, investment series, investment trends
kent based » agent based, test 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. kent based investment ties ) or ( h. net fixed investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kent based investment ties ) OR ( h. net fixed investment period )).
• Adding a wildcard symbol may retrieve word variants: (( h. kent based investment ties ) or ( h. net fixed investment period ))*.