Perhaps you should try some spelling variations:
cheng ton » chung tong, cheng han, chen tan
minh hong » minh cong, linh hoang, minh hoa
qian yan » qian jun, qian yi
yan fang » yan wang, yin fang, yang yang
min hong » amin hong, tin hong, min hyoung
fang a » fang _, lang a, facing a
boon » book, boom, born

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: qian yan fang a ((cheng ton) OR (cheng boon)) ((minh hong) OR (min hong)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan fang a ((cheng ton) or (cheng boon)) ((minh hong) OR (min hong)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: qian yan fang a ((cheng ton) or (cheng boon)) ((minh hong) OR (min hong)) shu ;*.