Perhaps you should try some spelling variations:
transfer extraction » transfer operation, parameter extraction
amy developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
extraction how » extraction from, interaction how, extraction _
how space » how race
costs amy » costs a
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology transfer extraction how space _ communication costs amy developpement l afrique.*.