Perhaps you should try some spelling variations:
oral communication » personal communication
city development » capacity development, policy development, community development
technologies do » technologies de, technologies box, technologies daf
development can » development case, development co, development canada
do information » 2 information, 1 information, 3 information
costs city » cost city
can africa » urban africa
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 do information _ de oral communication costs city development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies do information _ de oral communication costs city development can africa.*.