Perhaps you should try some spelling variations:
developpement durable » developpement de
oral communication » personal communication
information speed » information sheet, information needed, information needs
le developpement » de developpement, sme development
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
durable africa » rural africa
speed 2 » speed _, speed 4, speed 1
2 oral » _ oral, 4 oral
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: technology can information speed 2 oral communication a le developpement durable africa.*.