Perhaps you should try some spelling variations:
prosperity information » priority information, prosperity international, proprietary information
economy prosperity » economic prosperity, economy prospects, economy poverty
zu developpement » du developpement, au developpement, ou developpement
developpement de » developpement des, developpement durable
information 3.3 » information 3.2, information 3.4, information 3.5
communication 2 » communication _, communication a, communication 3
20 risk » 2 risk, 10 risk, 23 risk
3.3 20 » 3.3 2d, 3.3 b0
2 zu » 2 zur, 2 zum

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

• Adding a wildcard symbol may retrieve word variants: economy prosperity information 3.3 20 risk communication 2 zu developpement de l'afrique.*.