Perhaps you should try some spelling variations:
technologies effective » technologies affect, technologies perspectives, technologien incentive
effective sanitation » effective adaptation, effective education, effective action
better communication » written communication, external communication, disaster communication
la developpement » le developpement, de developpement, et developpement
developpement de » developpement des, developpement durable
does better » does matter, does greater, lives better
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies effective sanitation _ does better communication a la developpement de afrique.*.