Perhaps you should try some spelling variations:
personal communication » interpersonal communication
informations based » information based, informational basis, informationsphase 1
developing task » developing tpack, developing east, developing trust
technologies 2 » technologies _, technologies 4
2 informations » 2 information, 4.2 informations, des informations
der personal » der personalen, der personen, der person
3 developing » 3 development
task arenas » task_arenas _
based der » basel der, based order, based debt
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 informations based der personal communication costs 3 developing task arenas.*.