Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
rate information » trade information, care information, age information
technology rate » technology state, technology role, technology related
a developpement » au developpement, de developpement, le developpement
costs service » cross service, customs service, postal service
des afrique » en afrique, de l'afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology rate information costs service _ communication costs a developpement des afrique.*.