Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developing china » developing china's, development china, developing caring
how information » new information, 2 information, 1 information
technology how » technology 1, technology 2.2, technology 3
information a » information age, information about
3 developing » 3 development
china africa » cpia africa, china asia
double data » doubles data, double dot
a double » _ double
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology how information a double data communications costs 3 developing china africa.*.