Perhaps you should try some spelling variations:
communication des » communication modes, communication design, communication data
information rate » information ratio, information related, information matter
3 development » 2 development
das mobile » does mobile, a mobile
a afrique » l afrique, en afrique
rate das » rate caps, rate data, rate bias
des 3 » des _

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 rate das mobile communication des 3 development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information rate das mobile communication des 3 development a afrique.*.