Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
transformation hans » transformation als, transformation aus, transformation can
developing areas » developing asia, developing east, developing a
4 developing » 3 developing
areas areas » areas arenas, seas areas, areas access
hans une » dans une, hans de
une data » line data, age data, cge data
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 _ transformation hans une data communications costs 4 developing areas areas.*.