Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
us communications » u.s communications, vs communications, les communications
technologien dis » technologien des, technologien als, technologien im
information case » information based, information can, information costs
dis information » mis information, aids information, des informations
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
costs 2.3 » costs 4.2, costs 4.4
case des » cases des, case das, phase des
a 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 dis information case des us communications costs 2.3 developing a areas.*.