Perhaps you should try some spelling variations:
oral communication » personal communication
technologies dis » technologies dans, technologies de, technologies bit
dis information » mis information, aids information, des informations
a afrique » l afrique, en afrique
about de » about due, about dead, about debt
de oral » de otras, new oral
costs a » costs _, costs 4

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

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