Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh
thien danh » thien anh, thien dang, thien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trong manh » trong minh, trong anh, trong mach
tranh cua » doanh cua, manh cua
manh toan » thanh toan, anh tuan, tinh toan
cua dung » cua dang, cua dong, qua dung
toan tap » toan ban

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) OR (thien danh))) or (chieu xanh)) - canh tranh cua dung trong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien danh))) OR (chieu xanh)) - canh tranh cua dung trong manh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thieu xanh) OR (thien danh))) or (chieu xanh)) - canh tranh cua dung trong manh toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) OR (thien danh))) or (chieu xanh)) - canh tranh cua dung trong manh toan tap*.