Perhaps you should try some spelling variations:
vaccine communication » machine communications, active communication, reactive communication
developpement de » developpement des, developpement durable
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
information 2 » information 3
mr vaccine » mr vaccines, _ vaccine, 19 vaccine
de afrique » de l'afrique, en afrique, l afrique
2 mr » _ mr, 2 m, 2 my

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

• Adding a wildcard symbol may retrieve word variants: technology can information 2 mr vaccine communication costs _ developpement de afrique.*.