Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
don communications » do communications, gabon communications, sudan communications
technologien aids » technologien als, technologien ad, technologien des
information cases » information case, information classes, information costs
aids information » chandos information, series information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
des don » des do, des dqn
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 aids information cases des don communications costs 3.2 developing a areas.*.