Perhaps you should try some spelling variations:
communicatione costs » communication costs, communications costs, communication costa
technologies basic » technologies based, technologies bit, technologies big
et communicatione » et communication, get communication, debt communication
basic simulation » basin simulation, based simulation, basic situation
developing east » development east, developing a, developing asia
4 developing » 3 developing
east afrique » east africa, east african, en afrique
model using » models using
using et » using e, using ed, using es
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies basic simulation model using et communicatione costs 4 developing east afrique.*.