Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing csi » developing asia, developing ai, developing ce
centre new » century new, centre de, centre des
csi africa » cpia africa, can africa, ii 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 des information centre new oral communication cost 2.4 developing csi africa.*.