Perhaps you should try some spelling variations:
choice communications » voice communications, chile communications, voice communication
communications costs » communication costs, communications _
math information » catch information, much information, health information
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
technology math » technology paths, technology mit, technology make
information 2 » information 3
das choice » can choice, modal choice
costs au » costs a, costs amy, costs _
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: technology math information 2 das choice communications costs au developpement de l'afrique.*.