Perhaps you should try some spelling variations:
communication effort » communication efforts, communication errors, communication et
le developpement » de developpement, sme development
infection rates » inflation rates
technology les » technology led, technology lays, technology lead
les infection » les infections, ces infections, des infections
rates spaces » places spaces, papers spaces, spaces spaces
des afrique » en afrique, de l'afrique
effort le » effort des, effort yet, effort _

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

• Adding a wildcard symbol may retrieve word variants: technology les infection rates spaces _ communication effort le developpement des afrique.*.