Perhaps you should try some spelling variations:
labor compensation » sector compensation
developpement de » developpement des, developpement durable
technology eimt » technology ecit, technology e, technology equipment
eimt innovation » et innovation, ict innovation, eat innovation
innovation 1 » innovation _, innovation a
de afrique » de l'afrique, en afrique, l afrique
1 farm » 10 farm, 14 farm, 19 farm
4 du » 4 duo, 4 do, 4 zu

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 eimt innovation 1 farm labor compensation ((4 du) OR (4p du)) developpement de afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology eimt innovation 1 farm labor compensation ((4 du) OR (4p du)) developpement de afrique.*.