Perhaps you should try some spelling variations:
south communications » mouth communications, month communication, truth communication
communications paths » communication paths, communications pt, communications water
been developed » between developed, less developed, both developed
selection 3.3 » selection 3.2, selection _, selection a
trade south » trade routes
developed 4 » developed _, developed 5, developed a
paths been » paths between
3.3 trade » 5.3 trade, 5.3.3 trade, 12.3 trade
4 action » 2 action, en action

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

• Adding a wildcard symbol may retrieve word variants: technology _ selection 3.3 trade south communications paths been developed 4 action.*.