Perhaps you should try some spelling variations:
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
technology 3 » technology _, technology 1, technology 4
3 innovation » 2 innovation
estime de » estimer le
et africa » em africa, eu africa, west africa
time de » time die, time done, time d2b

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: "technology 3 innovation a ((time de) OR (estime de)) compensating _ des developpement et africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 innovation a ((time de) OR (estime de)) compensating _ des developpement et africa.*.