Perhaps you should try some spelling variations:
hygiene communication » science communication, online communication, patient communication
das developpement » des developpements, de developpement, du developpement
developpement et » developpement des, developpement de, development east
technologies do » technologies de, technologies box, technologies daf
communication 2 » communication _, communication a, communication 3
do information » 2 information, 1 information, 3 information
2.3 hygiene » 20 hygiene, 3.6 hygiene
et afrique » en afrique, l afrique
table 2.3 » table 2.1, table 6.3, table 1.3
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: technologies do information table 2.3 hygiene communication 2 das developpement et afrique.*.