Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
rates investment » notes investment, rules investment, water investment
investment fund » investment funds, investment bank, investment flows
melt rates » heat rates, melt water
kent rates » heat rates, ascent rates, events rates

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. melt rates investment period ) OR ( h. kent rates investment fund ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. melt rates investment period ) or ( h. kent rates investment fund ))*.