Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
china wang » china chang, china zhang, china won
china yang » china ying, china chang, china zhang
yan liang » yang liang, wang liang, you liang
3 langer » 3 lange, 3 longer, 2 langere
langer a » longer a, lander a, langer _
yang 3 » yang _, yang 8, gang 3

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: ((yan liang) OR (yang guang)) can ((china wang) OR (china yang)) yang 3 langer a ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan liang) or (yang guang)) can ((china wang) OR (china yang)) yang 3 langer a ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan liang) or (yang guang)) can ((china wang) OR (china yang)) yang 3 langer a ;*.