Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
debate online » create online, debate anne, debate continues
law debate » law debates, a debate, war debate
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information law debate online communication cost 2.2 developing _ areas.*.