Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
developing em » developing e, developing eq, developing amp
contents new » contexts new, contents how, contents je
3 developing » 3 development
em africa » 1 africa
new oral » new moral, knew moral, new rural
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information contents new oral communication costs 3 developing em africa.*.