Perhaps you should try some spelling variations:
communications system » communication system, communication systems, commusnication systems
des developpement » des developpements, de developpement, le developpement
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
information pt » information part, information 1, information 1.2
system des » system der, system design
des africa » does africa, yes africa, de africa

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

• Adding a wildcard symbol may retrieve word variants: technologies can information pt 2 data communications system des developpement des africa.*.