Perhaps you should try some spelling variations:
humans developpement » human development, human developments, humanist development
technologies 2 » technologies _, technologies 4
costs humans » ghosts humans, forests humans, sts human
2 formation » 1 formation, 1.2 formation, 2 formulation
des afrique » en afrique, de l'afrique
2 risk » 3 risk, 4 risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 formation _ 2 risk communication costs humans developpement des afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 formation _ 2 risk communication costs humans developpement des afrique.*.