Perhaps you should try some spelling variations:
wang liang » wang yang
liang chen » liang choon, chang chen, kang chen
chen hao » cheng han
dan wang » dan yang, yan wang, qian wang
lei dang » le dang, lei das
hao dan » chao den
duong » dung, huong, cuong
hadi » had

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang chen hao dan wang ((lei dang) or (le duong)) hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang chen hao dan wang ((lei dang) OR (le duong)) hadi ;.
• Adding a wildcard symbol may retrieve word variants: wang liang chen hao dan wang ((lei dang) or (le duong)) hadi ;*.