Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - ((thanh trung) or (thanh tung)) quan dung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - ((thanh trung) OR (thanh tung)) quan dung cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - ((thanh trung) or (thanh tung)) quan dung cong tan toan ban*.