Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
based communications » based communication, speed communications, aided communications
dam developpement » de developpement, du developpement, au developpement
much information » math information, catch information, pitch information
developpement de » developpement des, developpement durable
technology much » technology mit, technology make, technology mara
information 2 » information 3
aes based » ses based, areas based, cases based
costs dam » cost dam, costs data, costs a
2 aes » 2 abs, _ aes, 2 als

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

• Adding a wildcard symbol may retrieve word variants: technology much information 2 aes based communications costs dam developpement de l'afrique.*.