Perhaps you should try some spelling variations:
lex developpement » le developpement, leur developpement, de developpement
developpement du » developpement de, developpement des, developpement et
conclusion from » conclusions from
data conclusion » data conclusions, a conclusion, media conclusion
technologies 4 » technologies _
4 information » 2 information, 1 information
du afrique » en afrique, l afrique, de l'afrique
from lex » from le, from lep, from leaf
3 el » y el
_ el » _ eu, _ e, _ ex

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 4 information ((3 el) OR (_ el)) data conclusion from lex developpement du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((3 el) OR (_ el)) data conclusion from lex developpement du afrique.*.