Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
sign communication » open communication, human communication, 3 communication
technologien ids » technologien des, technologien als, technologien im
ids information » aids information, dis information, mis information
information und » informations und
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing e » developing _, developing a, developing east
vie sign » tie signs, i sign, ni sign
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
und vie » und video, und viele, und vita
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information und vie sign communication cost 2.2 developing e areas.*.