Perhaps you should try some spelling variations:
technologien labor » technology labor, technologies lasers, technologien fur
oral communication » personal communication
labor information » sector information
information based » information case, information bank, transformation based
developing east » development east, developing a, developing asia
4 developing » 3 developing
east africa » west africa
based keys » based key
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 labor information based keys oral communication costs 4 developing east africa.*.