Perhaps you should try some spelling variations:
oral communication » personal communication
technologien fair » technologien fur, technologies fail, technologien als
fair information » fairs information, fur information, labor information
information bank » information b, information 2, information 1
development em » development eco, development 1, development 11
4 development » 2 development, 4 developing
em africa » 1 africa
bank des » bank debts, bank debt, bank days
des oral » des moral, des oil, des orts
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien fair information bank des oral communication costs 4 development em africa.*.