Perhaps you should try some spelling variations:
data communication » data communications
communication cost » communication costs, communication costa, communications costs
technology state » technology strategy, technology system, technology study
state relations » state regulation, trade relations, race relations
china start » china state, china part, china states
bring data » being data, ring data, during data
cost human » post human, lost human, boost human

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

• Adding a wildcard symbol may retrieve word variants: technology state relations _ bring data communication cost human development china start.*.