Perhaps you should try some spelling variations:
internal communication » interpersonal communication, intercultural communication, personal communication
developpement de » developpement des, developpement durable
rheologie die » theologie die, rheologie des, archaologie die
die variation » de variation, does variation, der variation
variation 6 » variation _, variations _, variation des
4 internal » 2 internal
de afrique » de l'afrique, en afrique, l afrique
3 le » 3 les, 3 la, 5 le
1 le » 1 les, 1 la, 5 le

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: "rheologie die variation 6 4 internal communication ((3 le) OR (1 le)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: rheologie die variation 6 4 internal communication ((3 le) OR (1 le)) developpement de afrique.*.