Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 3 » technologies _, technologies 4, technologies 2
states african » state africa, slaves african, status africa
3 information » 1 information
information i » information im, information 2, information 1
4 developing » 3 developing
das oral » das orakel, das organ, u.s oral
costs 4 » costs _, costs a, costs 4.2
i das » ii das, 1 das, 2 das

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 3 information i das oral communication costs 4 developing states african.~.
• Adding a wildcard symbol may retrieve word variants: technologies 3 information i das oral communication costs 4 developing states african.*.