Perhaps you should try some spelling variations:
vote communication » voice communication, ante communication, remote communication
de developpement » sme development
informal needs » informal seed, informal norms, informal peer
des afrique » en afrique, de l'afrique
needs text » needs test
text vote » text note, text notes, text vom
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology from informal needs text vote communication costs de developpement des afrique.*.