Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
can tranh » tan tran, van ranh, co tranh
hang cong » dang cong, hang nong, bang cong
hoc hang » hoc hanh, hoc bang, hoc tang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van 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 - ((canh tranh) or (can tranh)) hoc hang cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((canh tranh) OR (can tranh)) hoc hang cong van toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((canh tranh) or (can tranh)) hoc hang cong van toan tap*.