Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
chile communications » china communications, machine communications, mobile communications
technologies basic » technologies based, technologies bit, technologies big
basic formulation » basic population, bayesian formulation, policy formulation
formulation a » formulation _, formulation 3, formulation 4
4 development » 2 development, 4 developing
use chile » use china, de chile, use agile
costs 4 » costs _, costs a, costs 4.2
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: technologies basic formulation a use chile communications costs 4 development 1 areas.*.