Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
technologies mao's » technologies may, technologies markets, technologies methods
data communication » data communications
communication from » communication 3, communication 1, communication 3.3
mao's formulation » means formulation, parts formulations, matrix formulation
developpement l » developpement il, developpement la, developpement de
does data » does cat
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: technologies mao's formulation _ does data communication from trade developpement l afrique.*.