Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement et » developpement des, developpement de, development east
compensation 1 » compensation 17, compensation _, compensation 4
technology 3 » technology _, technology 1, technology 4
3 innovation » 2 innovation
innovation 3 » innovation 1, innovation 4
estime de » estimer le
et africa » em africa, eu africa, west africa
time de » time die, time done, time d2b
1 au » 1 auf, 1 aug, 1 a

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 3 ((time de) OR (estime de)) compensation 1 au developpement et africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 innovation 3 ((time de) OR (estime de)) compensation 1 au developpement et africa.*.