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 2 » information 3
from lex » from le, from lep, from leaf
e land » use land, die land
2 e » 2 de, 2 re, 2 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 2 e land conversion from lex developpement de l'afrique.*.