Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
hinh sinh » tinh sinh, hinh dinh, hinh kinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cong vang » cong lang, cong quang, cong ngang
cua dung » cua dang, cua dong, qua dung
cong van » cong san, song van, cong tan
toan ban » van 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 - ((hinh sinh) or (hanh tinh)) cua dung ((cong van) or (cong vang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hinh sinh) OR (hanh tinh)) cua dung ((cong van) OR (cong vang)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hinh sinh) or (hanh tinh)) cua dung ((cong van) or (cong vang)) toan ban*.