Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
dang trong » dung trong, dong trong, lang trong
hieu manh » hieu nganh, dieu hanh, hien hanh
tuong cua » truong cua, huong cua, thong cua
cua dang » cua cong, cua ban
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) OR (chieu xanh)) - thanh tuong cua dang trong ((ban than) or (ngan hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu xanh)) - thanh tuong cua dang trong ((ban than) OR (ngan hang)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu manh) OR (chieu xanh)) - thanh tuong cua dang trong ((ban than) or (ngan hang)) cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) OR (chieu xanh)) - thanh tuong cua dang trong ((ban than) or (ngan hang)) cau*.