Perhaps you should try some spelling variations:
oral communication » personal communication
technologien cost » technologien ist, technologien des, technologies co
cost information » postal information, about information, asset information
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
contents de » contents je, contents key, contents 1
em africa » 1 africa
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien cost information contents de oral communication costs 4 developing em africa.*.