Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, lieu tinh
thien tinh » khien tinh, thien minh, tien tinh
phan thanh » pham thanh, ban thanh, van thanh
cua dong » chua dong, cua dang, cua nong
cong san » cong tac
san toan » van toan, dan toan, manh 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: hoc ((thieu tinh) OR (thien tinh)) - phan thanh ((cua cong) or (cua dong)) cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (thien tinh)) - phan thanh ((cua cong) OR (cua dong)) cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) OR (thien tinh)) - phan thanh ((cua cong) or (cua dong)) cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) OR (thien tinh)) - phan thanh ((cua cong) or (cua dong)) cong san toan ban*.