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 des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing asia » development asia, developing a
4 developing » 3 developing
asia anomaly » axial anomaly, assign anomaly, based anomaly
4.1.4 book » 4.1.4 folk
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 des information 4.1.4 book oral communication costs 4 developing asia anomaly.*.