Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information content » information contents, information centers, information centre
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing e » developing _, developing a, developing east
do personal » de personal, der personal, das personal
content do » context do, consent do, content does
e africa » em africa, de africa, eu africa

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information content do personal communication costs 4.2 developing e africa.*.