Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2 » technologies _, technologies 4
le development » e development, ce development, le developpement
flows de » flows do, flows debt, flows bei
costs le » costs _, costs 4, costs a
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information flows de oral communication costs le development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information flows de oral communication costs le development _ afrique.*.