Perhaps you should try some spelling variations:
rates complications » late complications, related complications, treated complications
complications from » implications from, applications from, complications _
deep developpement » de developpement, deux developpements, le developpement
information 3.3 » information 3.2, information 3.4, information 3.5
technologies 2 » technologies _, technologies 4
des afrique » en afrique, de l'afrique
from deep » from dem
3.3 wage » 3.3 age, 3.5 wage, 3.3 stage

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.3 wage rates complications from deep developpement des afrique.*.