Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
hang cong » dang cong, hang nong, bang cong
dung cua » dung luan, dung cho
tan than » tan thanh, tan tran, tam than
ban than » ban thanh, van thanh, ban hang

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 - manh ((dung cua) OR (tuong cua)) hang cong ((tan than) OR (ban than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - manh ((dung cua) or (tuong cua)) hang cong ((tan than) OR (ban than)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh ((dung cua) or (tuong cua)) hang cong ((tan than) OR (ban than)) cau*.