Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
e3 development » 3 development, 23 development, 2.3 development
information 2 » information 3
debt oral » debt moral, debt oil
cost e3 » cost 2.3, cost edd
2 debt » 3 debt, 4 debt, 2.5 debt
1 area » 1 areas, 21 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 2 debt oral communication cost e3 development 1 area.*.