Perhaps you should try some spelling variations:
vaccine communication » machine communications, active communication, reactive communication
communication 3.3 » communication _, communication a, communication 1
technologies pt » technologies _, technologies 4, technologies 2
use development » case development, sme development, e development
development law » development latin, development 1
channels 3.5 » channels 3.2, channels 3.7, channels 3.8
pt informal » _ informal, 3 informal, vs informal
3.5 vaccine » 3.3 vaccine, 3.7 vaccine, 3 vaccine
law afrique » l afrique
3.3 use » 3.3 user, 4.3 use, 5.3 use

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

• Adding a wildcard symbol may retrieve word variants: technologies pt informal channels 3.5 vaccine communication 3.3 use development law afrique.*.