Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developpement de » developpement des, developpement durable
l developpement » le developpement, de developpement, et developpement
rheologie does » rheologie des, theologie des, theologie der
does variation » de variation, der variation, die variation
variation 6 » variation _, variations _, variation des
2 personal » 1 personal, 4 personal
de afrique » de l'afrique, en afrique, l afrique
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: rheologie does variation 6 2 personal communication a l developpement de afrique.*.