Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien ids » technologien des, technologien als, technologien im
de communication » mobile communication, online communication
formation phase » formation chapter
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
ids formation » its formation, ids information, ideas formation
developing 2 » developing _, developing a, developing e
phase des » phasen des, phase der
cost 5.4 » costs 5.4, cost 2.4, cost 3.4
2 areas » 1 areas, 2 areal, 4 areas
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologien ids formation phase des de communication cost 5.4 developing 2 areas.*.