Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
duong va » duong van, dung va, dong va
luong va » dung va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 xanh - thanh ((duong va) or (luong va)) nhung ((cong dan) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((duong va) OR (luong va)) nhung ((cong dan) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((duong va) or (luong va)) nhung ((cong dan) or (cong tan)) toan tap*.