Perhaps you should try some spelling variations:
oral communication » personal communication
development case » development china
technologies a » technologies _, technologies 4, technologies 2
le development » e development, ce development, le developpement
a information » 2 information, 1 information
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 a information _ de oral communication costs le development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information _ de oral communication costs le development case afrique.*.