Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
open communication » human communication, 3 communication, 4 communication
technologies 4 » technologies _
transition iii » transition i, transition _, transition a
3 development » 2 development
4 transition » 2 transition, de transition, en transition
und open » und oder
iii und » ii und
a areas » 1 areas, 2 areas, 4 areas
cost 3 » cost 3d, cost e3, cost _

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 transition iii und open communication cost 3 development a areas.*.