Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
chuan how » chain how, clean how, human how
know your » grow your
yan tuan » yan yuan, anh tuan, can turn
yan guan » gan guan, yan yuan, yihan guan
how know » now known, you know, do know
li chen » yi chen, jui chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan ((yan tuan) or (((yan guan) OR (yang guang)))) li chen chuan how know your ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan tuan) OR (((yan guan) OR (yang guang)))) li chen chuan how know your ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan ((yan tuan) or (((yan guan) OR (yang guang)))) li chen chuan how know your ;*".