Perhaps you should try some spelling variations:
yulu cheng » yu cheng, yuan cheng
yulu chen » yu chen
eng chung » fung chung, kung chung, tung chung
wang qin » wang lin, wang qiao, wang jing
chan eng » chan fong, chan kang, chan ming
chung h » chun h, chung _, chung hee
yaqing » yuqing, daqing, yiqing

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 yaqing ((yulu chen) or (yulu cheng)) chan eng chung h ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang qin yaqing ((yulu chen) OR (yulu cheng)) chan eng chung h ;*.