Perhaps you should try some spelling variations:
vaccine communication » machine communications, active communication, reactive communication
communication process » communication processes, communication protocols, communication practices
de developpement » sme development
developpement il » developpement de, developpement et, developpement du
information a » information age, information about
11 vaccine » 19 vaccine, 1 vaccine, 19 vaccines
process de » procesos de, process d, processus de
il afrique » l afrique, en afrique
a 11 » am 11, a 1, 9 11

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information a 11 vaccine communication process de developpement il afrique.*.