Perhaps you should try some spelling variations:
liang chen » liang choon, chang chen, kang chen
yan liang » yang liang, wang liang, you liang
chuan eng » chan eng, chuan bang
chua beng » chuan bang
zhang zhi » zhong zhi, zhang wei, zhang dai
wang qin » wang lin, wang qiao, wang jing
qin yan » qian yan, qing gan, yin yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang qin yan liang chen ((chuan eng) OR (chua beng)) ((zhang zhi) or (wang zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qin yan liang chen ((chuan eng) OR (chua beng)) ((zhang zhi) OR (wang zhi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang qin yan liang chen ((chuan eng) OR (chua beng)) ((zhang zhi) or (wang zhi)) ;".
• Adding a wildcard symbol may retrieve word variants: wang qin yan liang chen ((chuan eng) OR (chua beng)) ((zhang zhi) or (wang zhi)) ;*.