Perhaps you should try some spelling variations:
communication glass » communication gaps, communication gap, communication gets
urban development » human development
development case » development china
3 communication » 4 communication, de communication, data communication
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information 2 » information 3
glass urban » glass iran
case africa » cases africa, care africa, curse africa
2 des » 2 der, 2 das, a des
des 3 » des _

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 2 des 3 communication glass urban development case africa.*.