Perhaps you should try some spelling variations:
communication juan » communications juan, communication japan, communication jordan
development main » development making, development moving, development mode
3 communication » 4 communication, de communication, data communication
c development » 2 development, 1 development, gcc development
main afrique » en afrique
act der » act does
act de » pact de, act does
juan c » juan j, juan a, julian c

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 _ innovation ((act de) OR (act der)) 3 communication juan c development main afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ innovation ((act de) OR (act der)) 3 communication juan c development main afrique.*.