Perhaps you should try some spelling variations:
visual communication » oral communication, personal communication
transformation a » transformation _
technologie die » technologie de, technologie im, technologie der
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
oxides visual » codes visual
developing 2 » developing _, developing a, developing e
a oxides » _ oxide
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformation a oxides visual communication costs 4.2 developing 2 areas.*.