Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien laws » technologien als, technologien des, technologien am
laws information » news information, als information, platas information
developing task » developing tpack, developing east, developing trust
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
information 2 » information 3
die personal » die personale, de personal, die persona
task arenas » task_arenas _
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technologien laws information 2 die personal communication costs 2.3 developing task arenas.*.