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
heat rates » heat rate, death rates, heat waves
repo rates » repo rate
melt rates » melt water

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. ((heat rates) or (repo rates)) investment period ) or ( h. melt rates investment fund ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((heat rates) OR (repo rates)) investment period ) OR ( h. melt rates investment fund )).
• Adding a wildcard symbol may retrieve word variants: (( h. ((heat rates) or (repo rates)) investment period ) or ( h. melt rates investment fund ))*.