Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
technologien road » technologien ad, technologien und, technologien am
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
content new » contents new, context new, contexts new
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technologien road information content new oral communication costs 1.3 developing _ africa.*.