Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rural communications » oral communication, rural telecommunications, cultural communications
infection rates » inflation rates
e developpement » de developpement, le developpement, et developpement
technology tb » technology tax, technology tpm, technology txt
tb infection » _ infection, site infection, hiv infection
rates prime » rates time, rates private
prime rural » private rural
des afrique » en afrique, de l'afrique
costs e » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology tb infection rates prime rural communications costs e developpement des afrique.*.