Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
thanh cau » thanh chau, nhanh cau, thanh ca
thanh mau » hanh mau, thanh san, thanh hai
anh dung » anh dong, anh huong, sach dung
cong san » cong tac
va tong » va thong, va tuong, va trong

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((thanh tung) OR (anh dung)) va tong cong san ((thanh cau) OR (thanh mau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((thanh tung) or (anh dung)) va tong cong san ((thanh cau) OR (thanh mau))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((thanh tung) or (anh dung)) va tong cong san ((thanh cau) OR (thanh mau))*.