Perhaps you should try some spelling variations:
workers communication » markets communication, work communication, workers immunization
information class » information classes, information case, information costs
communication 3 » communication _, communication a
development lid » development led, development li, development lie
technologies 2 » technologies _, technologies 4
time workers » mine workers, line workers, native workers
lid afrique » l afrique
3 human » 2 human

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information class time workers communication 3 human development lid afrique.*.