Perhaps you should try some spelling variations:
communication system » communication systems, telecommunication system, communication series
technologies about » technologies art, technologies bit, technologies box
about information » account information, labor information, about inflation
information 3.4.2 » information 3.2.2, information 5.4.2, information 2.4.2
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
3.4.2 die » 3.4.1 die
system de » system der, system des, system die
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies about information 3.4.2 die _ communication system de developpement l afrique.*.