Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
cost transformation » just transformation, cristo transformation, forest transformation
technologies cost » technologies co, technologies case, technologies cohort
developing basic » developing asia, developing based, developing brazil
4 developing » 3 developing
some actors » some factors, scope actors, more actors
basic areas » basin area, basic ideas, basic access
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 cost transformation _ some actors communication costs 4 developing basic areas.*.