Perhaps you should try some spelling variations:
oral communication » personal communication
technologien ad » technologien am, technologien und, technologien als
developing last » developing east, developing waste, developing based
ad information » d information, nd information, od information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 2 » information 3
last accessed » all accessed
when oral » when formal, when coal, when goal
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
2 when » 3 when, 4 when, 1 when

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 2 when oral communication costs 2.2 developing last accessed.*.