Perhaps you should try some spelling variations:
communication glass » communication gaps, communication gap, communication gets
urban development » human development
development cases » development case, development phases, development based
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
cases africa » crises africa, passes africa, rates africa
glass urban » glass iran
2 dem » 2 der, _ dem, 2 des
dem 3 » dem 23, dem _, dem 2

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 dem 3 communication glass urban development cases africa.*.