Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
technologies dis » technologies fish, technologies icts, technologies _
dis information » aids information, does information, iv information
development a » development _, development bank, development banks
de mobile » does mobile, _ mobile, a mobile
flows de » flows do, flows debt, flows _

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

• Adding a wildcard symbol may retrieve word variants: technologies dis information flows de mobile communication modes _ development a afrique.*.