Perhaps you should try some spelling variations:
investment demand » investment bank, investment fund, investor demand
fixed investment » direct investment
investment codes » investment code, investment models, investment costs
rates investment » notes investment, water investment, related investment
test fixed » net fixed, testing fixed
kent rates » heat rates

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. test fixed investment codes ) or ( h. kent rates investment demand ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. test fixed investment codes ) OR ( h. kent rates investment demand ))*.