Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
based investment » fixed investment, bond investment, related investment
investment flows » investment funds
best investment » debt investment, net investment, forest investment
test based » text based, rest based, trust based
kept best » get best, west best

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 flows ) or ( h. kept best investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. test based investment flows ) OR ( h. kept best investment period ))*.