Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
doc hieu » toc thieu, hoc thieu, hoc hien
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
cua han » cua nhan, cua phan, cua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - thanh tung ((cua han) OR (cua hang)) cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu lang - thanh tung ((cua han) OR (cua hang)) cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - thanh tung ((cua han) OR (cua hang)) cong tan toan ban*.