Perhaps you should try some spelling variations:
month communication » mouth communications, south communications, touch communication
communication paths » communication pathways, communication pt, communication paper
been developed » between developed, less developed, both developed
selection 3.3 » selection 3.2, selection _, selection a
trade month » trade money
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 month communication paths been developed 4 action.*.