Perhaps you should try some spelling variations:
personal communication » interpersonal communication
dam developpement » de developpement, du developpement, au developpement
communication pt » communication 3, communication 1, communication 2
developpement en » developpement et, developpement des, developpement de
first personal » first person, spirit personal, post personal
variation vs » variation des, variation von, variation _
vs first » its first, his first, 2 first

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation vs first personal communication pt dam developpement en afrique.*.