Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
development model » development models, development middle
technologies use » technologies used, technologies uses, technologies case
use information » user information, house information, users information
3 development » 2 development
networks 3 » networks _, networks 1, networks a
ict data » act data, ct data, oct data

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

• Adding a wildcard symbol may retrieve word variants: technologies use information _ ict data communications networks 3 development model afrique.*.