Perhaps you should try some spelling variations:
communication practices » communication processes, communication services, communication activities
vaccine communication » machine communications, active communication, reactive communication
technologies dis » technologies dans, technologies de, technologies bit
dis information » mis information, aids information, des informations
development en » developpement en, development menu, development eco
information 2 » information 3
3.3 vaccine » 3.7 vaccine, 5.3 vaccine, 6.3 vaccines
2 3.3 » a 3.3, i 3.3, 2 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologies dis information 2 3.3 vaccine communication practices _ development en afrique.*.