Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
5.4 communication » de communication, data communication
urban development » human development
information does » information der, information due, information duties
technologies 4 » technologies _
4 information » 2 information, 1 information
china africa » cpia africa, china asia
cost urban » most urban, worst urban, bust urban
does goes » does good, does god
goes 5.4 » games 5.4, gases 5.4, cues 5.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information does goes 5.4 communication cost urban development china africa.*.