Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
child development » world development
development state » development stage, developmental state, redevelopment state
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
state africa » trade africa
costs child » costs china
gap from » gaps from, map from, gdp from

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information gap from data communications costs child development state africa.*.