Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
alma variables » gamma variables, als variables, data variables
typology alma » typology a
variables 2 » variables _, variables 4, variables 3
de personal » der personal, des personal, de persona
des afrique » en afrique, de l'afrique
2 de » 2 die, 2 der

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

• Adding a wildcard symbol may retrieve word variants: typology alma variables 2 de personal communication _ de developpement des afrique.*.