Perhaps you should try some spelling variations:
investment period » investment series, investment policy, investment demand
best investment » debt investment, net investment, forest investment
investment ties » investment series, investment trends, investment trust
investment does » investment codes, investment flows, investment costs
kent trade » net trade, west trade, latent trade

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. kent best investment period ) OR ( h. kent trade ((investment ties) OR (investment does)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kent best investment period ) or ( h. kent trade ((investment ties) OR (investment does)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. kent best investment period ) or ( h. kent trade ((investment ties) OR (investment does)) ))*.