Perhaps you should try some spelling variations:
oral communication » personal communication
information 4.1.4 » information 4.1.1, information 4.1.3, information 4.2.4
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
developing asia » development asia, developing a
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologien und information 4.1.4 ebook oral communication costs 4 developing asia areal.*.