Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh dung » thanh duong, thanh tung, thanh hung
dung cong » dung trong
cong cong » cong dong, trong cong, dang cong
luong van » luong va, duong van, luong vat
lang van » dang van, tang van, hoang van
than cap » khan cap, thanh lap, thanh cac

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 tinh - thanh dung cong cong ((lang van) or (luong van)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu tinh - thanh dung cong cong ((lang van) OR (luong van)) than cap.
• Adding a wildcard symbol may retrieve word variants: toc thieu tinh - thanh dung cong cong ((lang van) or (luong van)) than cap*.