Perhaps you should try some spelling variations:
models transformations » model transformations, model transformation, code transformations
mobile communications » mobile communication
technological models » technological model, technological tools, technological skills
communications costs » communication costs, communications _
transformations a » transformations _, transformations 1, transformations 3
3 developing » 3 development
rie mobile » die mobile, free mobile, grid mobile
costs 3 » costs _, costs 4, costs a
a rie » a rice, a rise, a rite

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

• Adding a wildcard symbol may retrieve word variants: technological models transformations a rie mobile communications costs 3 developing _ access.*.