Perhaps you should try some spelling variations:
vegetation indices » vegetation index
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
indices advice » ices advice, indices indice, insider advice
technology 2 » technology _, technology 1, technology 3
2 vegetation » _ vegetation, 6 vegetation, 7 vegetation
advice 3 » advice _, advice 7, advice 1
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 2 vegetation indices advice 3 communication costs a developpement en afrique.*.