Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies based » technologies used, technology based, technologies a
u.s communications » 3.1 communications, les communications, nps communications
based interaction » based interactive, based instruction, based interventions
interaction ct » interaction hci, interaction _, interaction 1
development l » development li, development 1, development law
nafta u.s » nafta us
l afrique » en afrique
ct nafta » fta nafta, _ nafta, 1a nafta
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies based interaction ct nafta u.s communications costs 2 development l afrique.*.