Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
communication cost » communication costs, communication costa, communications costs
price developments » rice development, policy developments, recent developments
technology social » technology series
social alienation » social orientation, social validation, social allocation
alienation rom » alienation from, alienating from, alienation _
des online » der online, das online, die online
cost price » cost pricing, cost private
rom des » roman des, from dem, form des

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

• Adding a wildcard symbol may retrieve word variants: technology social alienation rom des online communication cost price developments _ carl.*.