Perhaps you should try some spelling variations:
i informationssystem1 » des informationssystems, als informationssystem, 2.2 informationssystem
informationssystem1 a » informationssystems _, informationssysteme d, informationssystems als
oral communication » personal communication
technologies i » technologies iv, technologies _, technologies 4
developing eq » developing e, developing egg, developing _
eq africa » em africa, eu africa, 1 africa
non oral » non oil, non arab
a non » _ non

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

• Adding a wildcard symbol may retrieve word variants: technologies i informationssystem1 a non oral communication costs _ developing eq africa.*.