Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
rates investment » notes investment, rules investment, water investment
debt investment » direct investment, direct investments, forest investment
kunt rates » out rates
rent debt » net debt, run debt, debt debt

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

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