Perhaps you should try some spelling variations:
oral communication » personal communication
information 4.1.3 » information 4.3.3, information 3.1.3, information 4.1.1
technologien fur » technologien des, technologien und, technologies 2
developing based » development based, developing asia, developing east
fur information » zur information, fair information, your information
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information 4.1.3 book oral communication costs 4 developing based anomaly.*.