Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
technology theory » technology thesis, technology other, technology history
theory extensions » theory extending, theory tension, core extensions
rate developments » trade developments, price developments, site development
developments from » development from, developments after, developments _
extensions from » extension from, attentions from, exclusions from
costs rate » costs water, costs case, costs data
de online » der online, des online, die online
from care » from case, from cape, from cash
from de » from dem, from deep

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

• Adding a wildcard symbol may retrieve word variants: technology theory extensions from de online communication costs rate developments from care.*.