Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
information 1.2.1 » information 12.2.1, information 13.2.1, information 1.2.2
aids information » chandos information, series information
developing eu » developing e, developing eq, developing egg
3 developing » 3 development
1.2.1 why » 2.2.1 why, 1.2.1 what, 13.3.1 why
eu across » 19 across
why oral » why rural, why deal
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 1.2.1 why oral communication costs 3 developing eu across.*.