Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
south communications » mouth communications, month communication, truth communication
development matter » development matters, development master, development pattern
part development » port development, past development, smart development
relations 6.3 » relations 3, relations 2.1, relations 3.1
technology 3 » technology _, technology 1, technology 4
3 relations » et relations, des relations
trade south » trade routes
matter more » matter most
costs part » costs per
6.3 trade » 5.3 trade, 3.3 trade, 6.3.2 trade

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 6.3 trade south communications costs part development matter more.*.