Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
chile communications » china communications, machine communications, mobile communications
technological basic » technological basis, technological aspect, technological choice
basic formulation » basic population, bayesian formulation, policy formulation
formulation a » formulation _, formulation 3, formulation 4
use chile » use china, de chile, use agile
1 areas » 1 area, 2 areas, 4 areas
a use » a user, _ use, a une

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

• Adding a wildcard symbol may retrieve word variants: technological basic formulation a use chile communications costs _ development 1 areas.*.