Perhaps you should try some spelling variations:
information contracts » information constraints, information contents, information constraint
oral communication » personal communication
technologien der » technologien des, technologie der, technologien fur
der information » insider information, sector information, labor information
4 developing » 3 developing
developing a » developing _
contracts 1 » contracts 13, contracts _, contracts 4
a africa » 1 africa, can africa, em africa
costs 4 » costs _, costs a, costs 4.2
1 oral » 10 oral, 14 oral, 16 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien der information contracts 1 oral communication costs 4 developing a africa.*.