Perhaps you should try some spelling variations:
oral communication » personal communication
technologies new » technologies _, technologies 4, technologies 2
new information » 2 information
development en » developpement en, development menu, development eco
costs human » sts human, ghosts humans, beasts human
flows de » flows do, flows debt, flows bei
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 new information flows de oral communication costs human development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information flows de oral communication costs human development en afrique.*.