Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
information needs » information flows, information networks
technologies a » technologies _
a information » _ information, land information, award information
a development » _ development, clean development, asian development
de mobile » does mobile, _ mobile, a mobile
efforts a » efforts _, effort _, exports a
needs de » needs _, needs a

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

• Adding a wildcard symbol may retrieve word variants: technologies a information needs de mobile communication efforts a development _ afrique.*.