Perhaps you should try some spelling variations:
lang yang » wang yang, yang yang, lang lang
test time » best time, next time, past time
yong suk » chong suk, cong sun, rong su
yang xi » yang di, yang jui
yang yi » yang di, yang jui
yang i » yang di, yang li, yang _
bound » found, bond, sound

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yang ((yang i) or (((yang xi) or (yang yi)))) test time bound ((yong suk) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang ((yang i) OR (((yang xi) OR (yang yi)))) test time bound ((yong suk) OR (cong shu)) ;.
• Adding a wildcard symbol may retrieve word variants: lang yang ((yang i) or (((yang xi) or (yang yi)))) test time bound ((yong suk) or (cong shu)) ;*.