Perhaps you should try some spelling variations:
technologies sector » technology sector, technologies series
oral communication » personal communication
integration et » integration ein, integration 3, integration 4
bank afrique » en afrique, bank africa, bank african
de oral » de otras, new oral
systems » system

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies sector integration et de oral communication systems a development bank afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies sector integration et de oral communication systems a development bank afrique.*.