Perhaps you should try some spelling variations:
investment strategies » investment strategy, development strategies, investment rates
investment period » investment series, investment policy, investment demand
based investment » best investment, bond investment, related investment
fixed investment » direct investment
rent based » agent based, rank based, test based
rent fixed » net fixed

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. rent based investment strategies ) or ( h. rent fixed investment period ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. rent based investment strategies ) OR ( h. rent fixed investment period )).
• Adding a wildcard symbol may retrieve word variants: (( h. rent based investment strategies ) or ( h. rent fixed investment period ))*.