Perhaps you should try some spelling variations:
oral communication » personal communication
developing estate » developing state, developing states, developing stable
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
information i » information im, information 2, information 1
estate africa » state africa, states african, 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 c information i des oral communication costs 4 developing estate africa.~.
• Adding a wildcard symbol may retrieve word variants: technologie c information i des oral communication costs 4 developing estate africa.*.