Perhaps you should try some spelling variations:
through communications » through communication, through communicating, trough communication
communications costs » communication costs, communications _
base development » based development, case development, basin development
development plan » development plans, development planning, development policy
routes through » route through, rates through, costs through
creation rate » creation rates, creation a
rate routes » trade routes, rail routes, rate notes
plan africa » can africa, pan african, urban africa
costs base » costs case, cost base, cost based

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

• Adding a wildcard symbol may retrieve word variants: technology _ creation rate routes through communications costs base development plan africa.*.