Perhaps you should try some spelling variations:
technologies cost » technologies co, technologies case, technologies cohort
calculation model » calculation module, circulation model, accumulation model
cost calculation » _ calculation, 3.2 calculation, size calculation
10 communication » 1 communication, de communication, 3 communication
de developpement » sme development
communication 3 » communication _, communication a
des afrique » en afrique, de l'afrique
model does » model codes, model deep, model dom
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies cost calculation model does 10 communication 3 de developpement des afrique.*.