Perhaps you should try some spelling variations:
curve information » care information, core information, clarke information
technology curve » technology course, technology survey, technology courses
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
4 risk » 3 risk
3.2 4 » 3.2 _, 3.2 a, 3.2 k

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

• Adding a wildcard symbol may retrieve word variants: technology curve information 3.2 4 risk communication _ au developpement de afrique.*.