Perhaps you should try some spelling variations:
investment choices » investment costs, investment process
investment period » investment series, investment policy, adjustment period
water investment » water investments, after investment, rates investment
fixed investment » direct investment
kept water » melt water, ment water, peat water
test fixed » test field, net fixed, testing 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. kept water investment period ) or ( h. test fixed investment choices ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kept water investment period ) OR ( h. test fixed investment choices )).
• Adding a wildcard symbol may retrieve word variants: (( h. kept water investment period ) or ( h. test fixed investment choices ))*.