Perhaps you should try some spelling variations:
communications systems » communication systems, communications system, communication system
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
information age » information storage, information access, information about
technology 1 » technology _
systems leur » systems lens, systems level, systems legal
file data » chile data, file path, profile data
age file » age five, image file, case file

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information age file data communications systems leur developpement en afrique.*.