Perhaps you should try some spelling variations:
interpersonal communication » intercultural communication
die interpersonal » use interpersonal, king interpersonal, _ interpersonal
gamma variables » dummy variables, data variables, same variables
u developpement » du developpement, au developpement, ou developpement
typology gamma » typology alma
des afrique » en afrique, de l'afrique
a u » a un, a us

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

• Adding a wildcard symbol may retrieve word variants: typology gamma variables _ die interpersonal communication a u developpement des afrique.*.