Perhaps you should try some spelling variations:
vote communication » voice communication, ante communication, remote communication
technologien aids » technologien als, technologien ad, technologien des
information based » information case, information bank, transformation based
aids information » chandos information, series information
developing east » development east, developing a, developing asia
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
based does » based modes, based deep, based models
east areas » karst areas, east asezs
does vote » dans vote, does hope
costs 2.2 » costs 4.2, costs 2.3, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information based does vote communication costs 2.2 developing east areas.*.