Perhaps you should try some spelling variations:
oral communication » personal communication
development case » development china
per development » power development, spur development, oer developments
technologies 2 » technologies _, technologies 4
costs per » cost per
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 _ de oral communication costs per development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information _ de oral communication costs per development case afrique.*.