Perhaps you should try some spelling variations:
labor compensation » sector compensation
developpement yes » developpement des, developpement de, developpement et
compensation 1.4 » compensation 1.3, compensation 11.1, compensation 11.5
et developpement » de developpement, le developpement, test development
yes africa » em africa, cycles africa, rates africa
1.4 et » 3.4 et, 1.4 etat
3 dem » 3 der, _ dem, a dem
3 des » 3 der, 3 das, a des

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 _ innovation ((3 dem) OR (3 des)) labor compensation 1.4 et developpement yes africa.~".
• Adding a wildcard symbol may retrieve word variants: technology _ innovation ((3 dem) OR (3 des)) labor compensation 1.4 et developpement yes africa.*.