Perhaps you should try some spelling variations:
internal communication » interpersonal communication, intercultural communication, personal communication
developpement la » developpement de, developpement et, developpement du
die variation » de variation, does variation, der variation
its internal » 2 internal, 4 internal, 2.1 internal
theorie die » theorie der, theorie des, theorie ein
la afrique » l afrique, la fabrique, en afrique
a le » a les, a l, a e

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 die variation _ its internal communication ((a le) OR (a la)) developpement la afrique.~".
• Adding a wildcard symbol may retrieve word variants: theorie die variation _ its internal communication ((a le) OR (a la)) developpement la afrique.*.