Perhaps you should try some spelling variations:
investment period » investment series, investment policy, investment demand
based investment » fixed investment, bond investment, related investment
investment costs » investment funds, investment flows, investment banks
best investment » debt investment, net investment, forest investment
test based » forest based, result based
kent » rent, kunt, kept

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. test based investment costs ) or ( h. kent best investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. test based investment costs ) OR ( h. kent best investment period ))*.