Perhaps you should try some spelling variations:
invesment services » investment services, investment series, government services
direct invesment » direct investment, direct investments, direct investmentin
investment flows » investment funds
agent debt » agent des, against debt
agent de » agent des, agents de, agent du

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. ((agent debt) OR (agent de)) investment flows ) OR ( h. kept direct invesment services ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. ((agent debt) OR (agent de)) investment flows ) or ( h. kept direct invesment services ))~".
• Adding a wildcard symbol may retrieve word variants: (( h. ((agent debt) OR (agent de)) investment flows ) or ( h. kept direct invesment services ))*.