Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
change information » chandos information, trade information
technology change » technological change, technological changes
information auf » information age, information a, information act
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
care » case

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

• Adding a wildcard symbol may retrieve word variants: technology change information auf care data communications costs _ developpement l afrique.*.