Perhaps you should try some spelling variations:
professional communication » personal communication, professional organization, professional education
die professional » time professional, d professional, die profession
technologien 1 » technologies 1, technologien _, technologien 4
information 3 » information 2
a developing » a development
developing e » developing _, developing a, developing east
costs a » costs _, costs 4
e areal » _ areal, 2 areal, 4 areal
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information 3 die professional communication costs a developing e areal.*.