Perhaps you should try some spelling variations:
investment choices » investment costs, investment process
investment period » investment series, investment policy, adjustment period
based investment » fixed investment, best investment, bond investment
heat sector » meat sector, health sector, heating sector
kept based » depth based, text based, set based

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. heat sector investment period ) OR ( h. kept based investment choices ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. heat sector investment period ) OR ( h. kept based investment choices ))*.