Perhaps you should try some spelling variations:
development cure » development core, development course, development case
de communication » mobile communication, online communication
technologies 3 » technologies _, technologies 4, technologies 2
3 information » 1 information
cure africa » curse africa, care africa, secure africa
1 do » _ do
1 d » 1 de, 1 2d, 1 dm

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 3 information ((1 d) OR (1 do)) de communication a social development cure africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 information ((1 d) OR (1 do)) de communication a social development cure africa.*.