Perhaps you should try some spelling variations:
personal communication » interpersonal communication
die developpement » de developpement, le developpement, du developpement
technologies use » technologies used, technologies uses, technologies case
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
use innovation » user innovation, une innovation, sme innovation
innovation 2 » innovation 1, innovation 4, innovation 3
3 personal » a personal, 1 personal, 4 personal

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

• Adding a wildcard symbol may retrieve word variants: technologies use innovation 2 3 personal communication 2 die developpement en afrique.*.