Perhaps you should try some spelling variations:
thanh tung » thanh cong
chi sang » chi lang, chieu sang, chi chang
ho trong » hoc trong, hoa trong, hoi trong
dan chan » dan gian, dan ca, van chat
ban than » ban thanh, van thanh, ban hang
doi chi » doi khi
tung ho » tuong ho, trung hoc, trung hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sang - thanh tung ho trong cong ((dan chan) or (ban than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sang - thanh tung ho trong cong ((dan chan) OR (ban than)) cao*.