Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
cost information » postal information, about information, asset information
information long » information along, information alone, information loss
developpement de » developpement des, developpement durable
technology cost » technology case, technology can, technology choice
de afrique » de l'afrique, en afrique, l afrique
de mobile » die mobile, e mobile, does mobile
long de » long des, long d, long do

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

• Adding a wildcard symbol may retrieve word variants: technology cost information long de mobile communications costs _ developpement de afrique.*.