Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
cao thuong » cao truong, ca thuong, cho thuong
hoc thieu » toc thieu, hoc hien
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 tung ((cao thuong) or (cac truong)) ((cong dan) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((cao thuong) OR (cac truong)) ((cong dan) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung ((cao thuong) or (cac truong)) ((cong dan) or (cong tan)) toan tap*.