Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
information 2 » information 3
codes based » code based, models based, scores based
costs leur » costs clear
2 codes » _ codes

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

• Adding a wildcard symbol may retrieve word variants: technology age information 2 codes based communications costs leur developpement en afrique.*.