Perhaps you should try some spelling variations:
vaccine communication » machine communications, active communication, reactive communication
communication cost » communication costs, communication costa, communications costs
le developpement » de developpement, sme development
can information » von information, von informationen
technology can » technology change, technology 1, technology 2.2
information 24 » information 2, information 14, information 2.2
dose vaccine » doses vaccine, novel vaccine
des afrique » en afrique, de l'afrique
24 dose » 14 dose
cost le » cost low, cost lcc

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

• Adding a wildcard symbol may retrieve word variants: technology can information 24 dose vaccine communication cost le developpement des afrique.*.