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