Perhaps you should try some spelling variations:
communications cross » communication cross, communications costs, communication across
development preterm » development pattern, development protect, development partners
urban development » human development
transfer costs » transport costs, transfer amounts
4 political » 2 political
cross urban » across urban, crisis urban, cairo's urban
preterm amp » peter amp, peters amp
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology transfer costs 4 political _ communications cross urban development preterm amp.*.