Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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) OR (thien anh)) - hanh tranh cua ((dang cong) OR (dung cong)) tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - hanh tranh cua ((dang cong) or (dung cong)) tan toan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - hanh tranh cua ((dang cong) or (dung cong)) tan toan ban*.