Perhaps you should try some spelling variations:
based certification » based verification, seed certification, land certification
information costs » information contents, information centers, information content
du developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technologies 4 » technologies _
4 information » 2 information, 1 information
process du » process d, processus du, process 3
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
4.1 based » 4.0 based, 4.1 base, 4.1 basic
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information costs 4.1 based certification process du developpement l afrique.*.