Perhaps you should try some spelling variations:
water investments » term investments, sector investments
investment period » investment series, investment policy, adjustment period
investments flows » investment flows, investment flow, investments laws
heat sector » meat sector, health sector, heating sector
most water » hot water, melt water, ment water

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. heat sector investment period ) OR ( h. most water investments flows ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. heat sector investment period ) or ( h. most water investments flows ))*.