Perhaps you should try some spelling variations:
labor compensation » sector compensation
compensation costs » compensation systems, communication costs, compensation claims
information 1.5.2 » information 1.2, information 2
developpement du » developpement de, developpement des, developpement et
4 developpement » de developpement, le developpement, et developpement
technology 1 » technology _
1.5.2 male » 1.5.2 wave, 2.4.2 male, 1.5.2 simple
male labor » female labor
du afrique » en afrique, l afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 information 1.5.2 male labor compensation costs 4 developpement du afrique.*.