Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
baker investment » water investment, water investments, better investment
investment does » investment data, investment assets, investment across
debt investment » direct investment, direct investments, forest investment
kent debt » net debt, debt debt, kent deng

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. kent baker investment does ) OR ( h. kent debt investment period ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. kent baker investment does ) or ( h. kent debt investment period ))*.