Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
urban development » human development
what information » sheet information, debt information, cost information
techniques what » techniques when, techniques a, techniques arab
information due » information does, information der, information duties
3 communication » 4 communication, de communication, data communication
cost urban » most urban, worst urban, bust urban
a afrique » l afrique, en afrique
due goes » d goes, de goey, der goes
goes 3 » goes _, goes 4, goes a

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

• Adding a wildcard symbol may retrieve word variants: techniques what information due goes 3 communication cost urban development a afrique.*.