Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, than kinh
hoc thieu » hoc hien
dung cong » dung trong
cong danh » cuong danh, cong dan, cong thanh
tinh cua » trinh cua, sinh cua, tinh chat
cua dung » cua dang, cua dong, qua dung
toan cao » toan ban
toan tap » toan 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) or (toc thieu)) xanh - thanh tinh cua dung cong danh ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - thanh tinh cua dung cong danh ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (toc thieu)) xanh - thanh tinh cua dung cong danh ((toan cao) OR (toan tap))*".