Perhaps you should try some spelling variations:
internal communication » interpersonal communication, intercultural communication, personal communication
le developpement » de developpement, sme development
developpement du » developpement de, developpement des, developpement et
der variation » de variation, does variation, die variation
du afrique » en afrique, l afrique, de l'afrique
6 it's » _ it's, 8 it's, 1 it's
6 its » _ its, 2 its, 4 its
a le » a les, a la, a l
theorie » theories

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theorie der variation ((6 its) OR (6 it's)) internal communication a le developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: theorie der variation ((6 its) OR (6 it's)) internal communication a le developpement du afrique.*.