Perhaps you should try some spelling variations:
oral communication » personal communication
clean development » human development, urban development
information et » l'information et, information 2, information 1
networks clean » networks clay, networks learn, networks column
bank afrique » en afrique, bank africa, bank african
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 _ information et de oral communication networks clean development bank afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information et de oral communication networks clean development bank afrique.*.