Perhaps you should try some spelling variations:
information networks » information needs
oral communication » personal communication
communication uses » communication une, communication unesco, communication using
urban development » human development
networks de » networks deep, networks _, networks 1
uses urban » buses urban, use urban, urs urban
a afrique » l afrique, en afrique
de oral » de otras, new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information networks de oral communication uses urban development a afrique.*.