Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
developing task » developing tpack, developing east, developing trust
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
de personal » der personal, des personal, de persona
task arenas » task_arenas _
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
3.2 de » 3.2 die, 3.2 der, 3.2 dem

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information 3.2 de personal communication costs 3.5 developing task arenas.*.