Perhaps you should try some spelling variations:
investment demand » investor demand
notes investment » does investment, rates investment, forest investment
investment rates » investment rate
based investment » fixed investment, best investment, bond investment
current notes » current rates, current costs, comment notes
kent based » agent based, event based, text based

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

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