Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
urban development » human development
information need » information needs, information needed, information speed
a communications » a communication, data communications, a communicative
how information » new information, 2 information, 1 information
technology how » technology 1, technology 2.2, technology 3
network urban » network area
china africa » cpia africa, china asia
need de » need le, need fide, need one
de a » de la, de sa, der a

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

• Adding a wildcard symbol may retrieve word variants: technology how information need de a communications network urban development china africa.*.