Perhaps you should try some spelling variations:
since communication » science communication, sincere communication, space communication
communication law » communications law, communication layer, communication 3
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
information 3 » information 2
time since » time single, time space, time sense
law du » law do

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 3 time since communication law du developpement en afrique.*.