Perhaps you should try some spelling variations:
information survey » information sources, information source, information series
oral communication » personal communication
die developpement » de developpement, le developpement, du developpement
technologies pt » technologies _, technologies 4, technologies 2
pt information » ct information, plot information, get information
survey why » survey wss, survey which
des africa » does africa, yes africa, de africa
why oral » why rural, why deal
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies pt information survey why oral communication a die developpement des africa.*.