Perhaps you should try some spelling variations:
information survey » information sources, information source, information series
tests information » costs information, gets information, testing information
technology tests » technology thesis, technology best, technology costs
de communication » mobile communication, online communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
survey rade » survey trade, survey cadre, survey based
costs et » costs _, costs 4, costs a
rade de » grade der, trade die, garde de

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

• Adding a wildcard symbol may retrieve word variants: technology tests information survey rade de communication costs et developpement en afrique.*.