Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yan zhang » bin zhang, han chang, hao zhang
wei last » der last, few last, i last
last thi » last thing, last two, last try
kim dong » kim song, kim jong, kim young
thi kim » thi diem
dong di » dong sin

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 zhang) or (yuan chang)) wei last thi kim dong di ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan ((yan zhang) OR (yuan chang)) wei last thi kim dong di ;*.