Perhaps you should try some spelling variations:
"grundlehren best editions" » "grundlehren des editions", "grundlehren der editions", "grundlagen best editions", "grundlehren last edition"
"grundlehre der speditions" » "grundlehren der speditions", "grundlehren des speditions", "grundrechte der speditions", "grundlehre der spedition"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("grundlehren best editions") OR ("grundlehre der speditions"))*.
• Removing quotes may allow a broader search: (( grundlehren best editions ) or ( grundlehre der speditions ))*.