Perhaps you should try some spelling variations:
yang liang » wang liang, yang yang, peng liang
yang guang » yang yang, yan guan
den umgang » der umgang
yan liang » wang liang, you liang, yan wang
can child » care child, can build, can china
child den » child does, child did
longer do » longer _, longer a, long do
umgang 3 » umfang 3, umgang 5, umgang _
3 longer » _ longer, 2 longer, 3 langer

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((yan liang) OR (yang liang))) or (yang guang)) can child den umgang 3 longer do ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yan liang) OR (yang liang))) OR (yang guang)) can child den umgang 3 longer do ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yan liang) OR (yang liang))) or (yang guang)) can child den umgang 3 longer do ;*".