Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
developpement de » developpement des, developpement durable
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
des virtual » das virtual, fees virtual, dan virtual
de afrique » de l'afrique, en afrique, l afrique
a du » a d, a u, _ du
a de » a die, a der, a des

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: "typologies des variation _ des virtual communication ((a du) OR (a de)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologies des variation _ des virtual communication ((a du) OR (a de)) developpement de afrique.*.