Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hanh dinh » thanh dinh, hinh dinh, hanh tinh
dinh vat » sinh vat, dinh van, dinh dat
vat hang » van hang, dat hang, va hang
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
tai cac » tai cuc

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 dinh vat hang ((cong van) or (song van)) tai cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh dinh vat hang ((cong van) OR (song van)) tai cac*.