Perhaps you should try some spelling variations:
open communication » human communication, 3 communication, 4 communication
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
development asia » development aid, development africa, development a
2.2 development » 3.2 development, 2.3 development, 4.2 development
information 2 » information 3
asia areas » basic areas, aside areas, basin areas
die open » die typen, die opfer, use open
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 aids information 2 die open communication cost 2.2 development asia areas.*.