Perhaps you should try some spelling variations:
formal communication » informal communication, oral communication, moral communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing last » developing east, developing waste, developing based
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 4 » information 2
last accessed » all accessed
when formal » than formal
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
4 when » 3 when

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

• Adding a wildcard symbol may retrieve word variants: technologie und information 4 when formal communication costs 2.2 developing last accessed.*.