Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
technologies based » technologies used, technology based, technologies a
based information » basic information, based innovation, land information
information needs » information networks
development min » development main, development menu, development may
min afrique » en afrique
needs de » needs men, needs one, needs _
de mass » de masse, de mais, de masa

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

• Adding a wildcard symbol may retrieve word variants: technologies based information needs de mass communication system a development min afrique.*.