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
development case » development china
fur information » zur information, fair information, your information
4 development » 2 development, 4 developing
case anomaly » based anomaly, trace anomaly, risk anomaly
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 development case anomaly.*.