Perhaps you should try some spelling variations:
internal communication » interpersonal communication, intercultural communication, personal communication
developpement de » developpement des, developpement durable
der variation » de variation, does variation, die variation
its internal » 2 internal, 4 internal, 2.1 internal
de afrique » de l'afrique, en afrique, l afrique
3 les » 2 les, 1 les, 5 les
3 le » 3 la, 1 le, 5 le
theorie » theories

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

• Performing a fuzzy search may retrieve terms with similar spellings: theorie der variation _ its internal communication ((3 le) OR (3 les)) developpement de afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theorie der variation _ its internal communication ((3 le) OR (3 les)) developpement de afrique.*".