Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cuong dung » tuong duong, ung dung, thong dung
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, thanh tinh, canh tinh
trong tan » trong quan, trong cac, trong ca
tan van » tran van, tang van, luan van

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 tinh) or (nhanh tinh)) cuong dung trong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tinh) OR (nhanh tinh)) cuong dung trong tan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tinh) or (nhanh tinh)) cuong dung trong tan van ban*.