Perhaps you should try some spelling variations:
2.1 transformations » _ transformations, les transformations, 1 transformation
transformations six » transformations basic, transformations five, transformations used
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
de africa » does africa, de america, use africa
six duty » aid duty

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 transformations six duty de communication media _ developpement de africa.*.