Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
cell communications » cell communication, health communications, rural communications
make information » more information, care information, age information
developpement en » developpement et, developpement des, developpement de
technology make » technology market, technology mara, technology more
information 1 » information 2, information 3, information 3.2
codes cell » models cell, does cell, model cell
1 codes » _ codes, 2 codes, 1 code

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

• Adding a wildcard symbol may retrieve word variants: technology make information 1 codes cell communications costs _ developpement en afrique.*.