Perhaps you should try some spelling variations:
investment series » investment services, investment barriers, investment treaties
investments ties » investment ties, investment does, investments net
based investment » fixed investment, best investment, bond investment
heat sector » health sector, heating sector, health sectors
meat sector » health sector, legal sector, media sector
kent based » agent based, test 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. ((heat sector) OR (meat sector)) investments ties ) or ( h. kent based investment series ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. ((heat sector) OR (meat sector)) investments ties ) OR ( h. kent based investment series ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((heat sector) OR (meat sector)) investments ties ) or ( h. kent based investment series ))*".