Perhaps you should try some spelling variations:
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing a » developing _
preface des » preface de, preface les, preface ires
a areas » 1 areas, 2 areas, 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 des information preface des de communication costs 4.2 developing a areas.*.