Perhaps you should try some spelling variations:
communication paths » communication pathways, communication pt, communication paper
south communication » south communications, mouth communications, month communication
selection 14.3 » selection 4.3, selection 13.3, selection 1.3
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
developed 2 » developed _, developed 4, developed 5
14.3 trade » 12.3 trade, 14.3 trace, 17.3 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 14.3 trade south communication paths been developed 2 action.*.