Perhaps you should try some spelling variations:
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
technologien get » technologien des, technologien ist, technologien mit
get information » gets information, debt information, ct information
developing west » developing tests, developing waste, developing east
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
contents je » contents key, contents 1, contents _
cost 3.2 » cost 2.4
je oral » new oral

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

• Adding a wildcard symbol may retrieve word variants: technologien get information contents je oral communication cost 3.2 developing west africa.*.