Perhaps you should try some spelling variations:
lex developpement » le developpement, leur developpement, de developpement
developpement de » developpement des, developpement durable
conversion from » conclusion from, conversion factor
technologies 4 » technologies _
4 information » 2 information, 1 information
information 3 » information 2
from lex » from le, from lep, from leaf
le land » le roland, use land, die land
3 le » 3 les, 3 la, 1 le

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 3 le land conversion from lex developpement de l'afrique.*.