Perhaps you should try some spelling variations:
investment strategy » investment rate, investment rates, development strategy
greater investment » great investment, green investment, related investment
based investment » fixed investment, best investment, bond investment
current greater » current rate, current rates, current water
bank based » task based

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. current greater investment strategy ) OR ( h. bank based investment policy ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. current greater investment strategy ) or ( h. bank based investment policy ))*.