Perhaps you should try some spelling variations:
labor compensation » sector compensation
developpement use » developpement une, developpement de, development use
compensation 2.5 » compensation 11.5, compensation 1.3, compensation 1.4
de developpement » sme development
3 innovations » _ innovations, 3 innovation, i innovations
technology 3 » technology _, technology 1, technology 4
2.5 de » 2.5 die, 2.5 der, 2.5 dve
et do » let do, et de, et du

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 innovations ((et do) OR (et dom)) labor compensation 2.5 de developpement use africa.~".
• Adding a wildcard symbol may retrieve word variants: technology 3 innovations ((et do) OR (et dom)) labor compensation 2.5 de developpement use africa.*.