Perhaps you should try some spelling variations:
communication codes » communication modes, communication costs, communication model
oral communication » personal communication
information 3.3.2 » information 2.3.2, information 3.2.2, information 3.3.3
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
developing out » developing our, developing youth, developing ict
codes 12.4 » codes 2.4, codes 1.4, codes 12.1
out access » youth access, about access, port access
3.3.2 why » 13.3.2 why, 3.2.2 why, 2.3.2 why
why oral » why rural, why deal

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3.3.2 why oral communication codes 12.4 developing out access.*.