Perhaps you should try some spelling variations:
communications paths » communication paths, communications pt, communications water
south communications » mouth communications, month communication, truth communication
selection 17.3 » selection 13.3, selection 1.3, selection 14.3
been developed » between developed, less developed, both developed
technology 3 » technology _, technology 1, technology 4
3 selection » 2 selection, 1 selection, 4 selection
trade south » trade routes
17.3 trade » 12.3 trade, 5.3 trade, 3.3 trade
paths been » paths between

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

• Adding a wildcard symbol may retrieve word variants: technology 3 selection 17.3 trade south communications paths been developed _ action.*.