Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
informations gaps » information gaps, informational gaps, information gap
technologies des » technologien des, technologies de, technologies dans
des informations » aids information
models afrique » models africa
costs human » sts human, ghosts humans, beasts human
gaps vom » gaps from, das vom, gaps do
vom data » from data, form data, aim data

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

• Adding a wildcard symbol may retrieve word variants: technologies des informations gaps vom data communications costs human development models afrique.*.