Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
tong duong » tuong duong, thong duong, dong duong
duong manh » duong van
manh toan » thanh toan, anh tuan, tinh toan
tung cuu » trung cua, trung cau, tuong cua
cuu tong » cuu cong, cuu tinh, huu tung
toan cao » toan ban, toan tap

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 (chieu xanh)) - thanh tung cuu tong duong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh tung cuu tong duong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - thanh tung cuu tong duong manh toan cao*.