Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development saber » development series, development strategy
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4.2 development » 3.2 development, 2.3 development, 1 development
information 2 » information 3
does data » does cat
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2 does data communications costs 4.2 development saber afrique.*.