Perhaps you should try some spelling variations:
thanh vuong » thanh huong, thanh cuong, thanh duong
thieu sach » chieu sach, thien hach, hieu cach
vuong ung » vuong dung, vuong hung, huong ung
trong tan » trong quan, trong cac, trong ca
thanh cac » hanh cac, thanh bac, thanh ca
than cap » khan cap, thanh lap, than cua

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 sach - thanh vuong ung dung trong tan ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - thanh vuong ung dung trong tan ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh vuong ung dung trong tan ((than cap) or (thanh cac))*.