Perhaps you should try some spelling variations:
investment treaties » investment strategies, investment activities, investment incentives
greater investment » great investment, green investment, related investment
employment service » employment services
saline greater » saline water, gains greater, enabling greater
rente de » vente de, refonte de, renten der
rent re » grant re

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. saline greater investment treaties ) or ( h. ((rent re) OR (rente de)) employment service ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. saline greater investment treaties ) OR ( h. ((rent re) OR (rente de)) employment service ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. saline greater investment treaties ) or ( h. ((rent re) OR (rente de)) employment service ))*".