Perhaps you should try some spelling variations:
information survey » information sources, information source, information series
oral communication » personal communication
technologies aids » technologies varies, technologies a, technologies de
die developpement » de developpement, le developpement, du developpement
aids information » chandos information, series information
developpement du » developpement de, developpement des, developpement et
communication 3 » communication _, communication a
survey 11 » survey 1.1, survey 1, survey 2011
du africa » de africa, eu africa, 1 africa
11 oral » 11 coral, 11 moral, 1 oral
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information survey 11 oral communication 3 die developpement du africa.*.