Perhaps you should try some spelling variations:
personal communication » interpersonal communication
les developpement » le developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
rheologie des » theologie des, theologie der, ideologie des
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
4 personal » a personal, 1 personal, 1945 personal
3 les » 2 les, 1 les, 5 les

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

• Adding a wildcard symbol may retrieve word variants: rheologie des variation 6 4 personal communication 3 les developpement en afrique.*.