Perhaps you should try some spelling variations:
vaccine communication » machine communications, active communication, reactive communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
vi information » i information, ii information, novi information
technology vi » technology vt, technology 4ir, technology 1
information 2 » information 3
en vaccine » ant vaccine, new vaccine, _ vaccine
costs le » costs _, costs 4, costs a
2 en » 2 ein, 2 ten, 2 men

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

• Adding a wildcard symbol may retrieve word variants: technology vi information 2 en vaccine communication costs le developpement de l'afrique.*.