Perhaps you should try some spelling variations:
oral communication » personal communication
technologies aids » technologies varies, technologies a, technologies de
information speed » information sheet, information needed, information needs
les developpement » le developpement, des developpements, leur developpement
developpement yes » developpement des, developpement de, developpement et
aids information » chandos information, series information
yes africa » em africa, cycles africa, rates africa
speed 1 » speed 10, speed _, speed 4
1 oral » 10 oral, 14 oral, 16 oral
a les » a lens, a less, 2 les

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

• Adding a wildcard symbol may retrieve word variants: technologies aids information speed 1 oral communication a les developpement yes africa.*.