Perhaps you should try some spelling variations:
communication model » communication media
oral communication » personal communication
information needs » information networks
urban development » human development
technologies der » technologies de, technologie der, technologies under
der information » insider information, sector information, labor information
model urban » modern urban, modeling urban
a africa » 1 africa, can africa, em africa
needs 2 » needs _, needs a, needs 3
2 oral » _ 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 der information needs 2 oral communication model urban development a africa.*.