Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies cohort » technologies corporate, technologies authors, technologies co
cohort interaction » robot interaction, host interaction, concrete interaction
das communications » data communications, mass communications, faso communications
interaction 4 » interaction _, interaction 1, interaction a
developing de » developing e, developing ce, developing deep
4 developing » 3 developing
japan das » japan deal, japan a, japan als
4 japan » 4 japans, 3 japan, 1 japan
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 cohort interaction 4 japan das communications costs 4 developing de l'afrique.*.