Perhaps you should try some spelling variations:
vaccine communication » machine communications, active communication, reactive communication
technologies going » technologies looking, technologies during, technologies living
des developpement » des developpements, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
going formation » ring formation, setting formation
formation et » formation des, formation _
la afrique » l afrique, la fabrique, en afrique
2 vaccine » _ vaccine, 1 vaccine, 3 vaccine
et 2 » et 20, etc 2, pt 2

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

• Adding a wildcard symbol may retrieve word variants: technologies going formation et 2 vaccine communication _ des developpement la afrique.*.