Perhaps you should try some spelling variations:
information central » information centre, information control, information centric
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
20 developing » 2 developing, 10 developing, 24 developing
developing 1 » developing _, developing a, developing e
central ic » central inc, central _, central de
costs 20 » costs 60, costs 2.3, costs 2.1
ic oral » i oral, ii oral, iii oral

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information central ic oral communication costs 20 developing 1 africa.*.