Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
thi phuong » thi truong
phuong dan » phuong danh, phuong doan, huong dan
hoc thieu » toc thieu, hoc hien
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
ca thi » cau thi, can thi, cao thi

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 - ((hanh chinh) or (thanh tung)) ca thi phuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh chinh) OR (thanh tung)) ca thi phuong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh chinh) or (thanh tung)) ca thi phuong dan toan cau*.