Perhaps you should try some spelling variations:
wages compensation » based compensation, workers compensation, labor compensation
des developpements » deux developpements, de developpement, et developpements
developpements du » developpement du, developpements de, developpement de
compensation a » compensation _, compensation 4, compensation 2
du afrique » en afrique, l afrique, de l'afrique
a des » a der, a das
pt e » pt 1, pt 3, pt 4

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: "technologies _ information ((pt e) OR (pt 2)) wages compensation a des developpements du afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ information ((pt e) OR (pt 2)) wages compensation a des developpements du afrique.*.