Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
4.2 informations » 4.2 information, 2.2 information, 3.2 information
informations och » information och, informations und, informations sur
developing east » development east, developing a, developing asia
4 developing » 3 developing
east areas » karst areas, east asezs
die oral » die moral, die orte
och die » doch die, ich die, och de
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 4.2 informations och die oral communication costs 4 developing east areas.*.