Perhaps you should try some spelling variations:
hygiene communication » science communication, online communication, patient communication
de developpement » sme development
developpement il » developpement de, developpement et, developpement du
technologies 1 » technologies _, technologies 4, technologies 2
il afrique » l afrique, en afrique
2 hygiene » 20 hygiene, _ hygiene, do hygiene
table 2 » table _, table 1, table 4
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information table 2 hygiene communication a de developpement il afrique.*.