Perhaps you should try some spelling variations:
communication model » communication media
technologies affect » technologies offer, technologies project, technologies art
affect information » affects information, perfect information, aspects information
oral communication » personal communication
information needs » information networks
urban development » human development
model urban » modern urban, modeling urban
a africa » 1 africa, can africa, em africa
needs a » needs _
a oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologies affect information needs a oral communication model urban development a africa.*.