Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
technologien get » technologien des, technologien ist, technologien mit
get information » gets information, debt information, ct information
3.3 developing » 4 developing, 2 developing, 1 developing
developing ce » developing e, developing ict, developing cil
centre new » century new, centre de, centre des
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
ce africa » de africa, care africa, use africa
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 get information centre new oral communication costs 3.3 developing ce africa.*.