Perhaps you should try some spelling variations:
developing societies » developing cities, developing strategies, developing countries
oral communication » personal communication
technology report » technology support
report nationale » report national, et nationale, heimat nationale
societies africa » sciences africa, securities africa, facilities africa
nationale und » nationalen und, nationale de, nationale et
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
und ca » und car, und cat, und co

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

• Adding a wildcard symbol may retrieve word variants: technology report nationale und ca oral communication costs 4 developing societies africa.*.