Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
et developpement » de developpement, le developpement, test development
developpement et » developpement des, developpement de, development east
technologies 3 » technologies _, technologies 4, technologies 2
formal labor » rural labor, local labor, total labor
medium et » medium er, medium der, medium des
et africa » em africa, eu africa, west africa
3 formal » _ formal, a formal
pt e » pt 2, pt 1, pt 3

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 3 formal labor ((pt et) OR (pt e)) communication medium et developpement et africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 formal labor ((pt et) OR (pt e)) communication medium et developpement et africa.*.