Perhaps you should try some spelling variations:
oral communication » personal communication
technologien stm » technologien am, technologien im, technologien ist
information case » information based, information can, information costs
developing based » development based, developing asia, developing east
stm information » crm information, system information, from information
4 developing » 3 developing
based areas » base areas, based areal, basic areas
case des » cases des, case das, phase des
des oral » des moral, des oil, des orts
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: technologien stm information case des oral communication costs 4 developing based areas.*.