Perhaps you should try some spelling variations:
oral communication » personal communication
information 3.3.3 » information 4.3.3, information 2.3.2, information 3.2.2
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing post » developing east, development post, developing cross
12 developing » 1.2 developing, 2 developing, 1 developing
post access » port access, cost access, out access
3.3.3 when » 3.3.2 when, 12.3.3 when, 2.4.3 when
when oral » when formal, when coal, when goal
costs 12 » costs 1, costs 12.3, costs 12.4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.3.3 when oral communication costs 12 developing post access.*.