Perhaps you should try some spelling variations:
technologien zur » technologien fur, technologien des, technologien und
de communication » mobile communication, online communication
developing areas » developing asia, developing east, developing a
zur information » fur information, your information, der information
information und » informations und
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
areas access » farmers access, cartels access, markets access
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information und die de communication costs 4.1 developing areas access.*.