Perhaps you should try some spelling variations:
technologies cost » technologies co, technologies case, technologies cohort
calculation phase » calculations phase, calculation where, calculation dataset
cost calculation » _ calculation, 3.2 calculation, size calculation
11 communication » 1.1 communication, 1 communication, 10 communication
de developpement » sme development
des afrique » en afrique, de l'afrique
der 11 » der 10, der 12, der 15
a de » a die, a der, a 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 phase der 11 communication a de developpement des afrique.*.