Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
die personal » die personale, de personal, die persona
des afrique » en afrique, de l'afrique
typology 6 » typology _, typology 4.1
6 variable » _ variable, a variable, 1 variable
variable 1 » variable _
1 die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: typology 6 variable 1 die personal communication _ de developpement des afrique.*.