Perhaps you should try some spelling variations:
oral communication » personal communication
technologie 1 » technologies 1, technologien 1, technologie c
information i » information im, information 2, information 1
states africa » states african, state africa, status africa
4 developing » 3 developing
des oral » des moral, des oil, des orts
costs 4 » costs _, costs a, costs 4.2
i des » i das, i der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologie 1 information i des oral communication costs 4 developing states africa.~.
• Adding a wildcard symbol may retrieve word variants: technologie 1 information i des oral communication costs 4 developing states africa.*.