Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
mobile communications » mobile communication, _ telecommunications
technologies a » technologies _
a information » _ information, land information, award information
a development » _ development, clean development, asian development
development a » development _, development bank, development banks
networks a » networks _, network _
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.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information flows de mobile communications networks a development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information flows de mobile communications networks a development a afrique.*.