Perhaps you should try some spelling variations:
communication glass » communication gaps, communication gap, communication gets
development crises » development crisis, development cross, development cases
technologies case » technologies based, technologies can, technologies create
urban development » human development
case information » care information, based information, phase information
4 communication » 3 communication, 5.4 communication, de communication
information 3 » information 2
crises africa » prices africa, cases africa, crises asia
glass urban » glass iran
3 dem » 3 der, _ dem, 3 des
dem 4 » dem _, dem 2, dem 1

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 3 dem 4 communication glass urban development crises africa.*.