Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
rica's development » africa's development, china's development, ifc's development
key communication » grey communication, de communication, why communication
technology hiv » technology have, technology high, technology how
infection user » infection use, intention user, infection causes
development li » development lid, development lie, development lin
user devices » power devices, other devices, based devices
devices key » device key, services key, devices ce
li afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology hiv infection user devices key communication costa rica's development li afrique.*.