Perhaps you should try some spelling variations:
oral communication » personal communication
information speed » information sheet, information needed, information needs
die developpement » de developpement, le developpement, du developpement
developpement 1.4 » development 1.4, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
1.4 africa » 6.4 africa, 2.4 african, 1945 africa
speed up » speed _
up oral » up rural, u.s oral
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 a information speed up oral communication a die developpement 1.4 africa.*.