Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
thien anh » thien danh, tien anh, thien thanh
nang cong » nang song, dang cong, bang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tung cam » dung cam, trung cap, tung pham
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 (thien anh))) or (chieu xanh)) - thanh tung cam nang cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (thien anh))) OR (chieu xanh)) - thanh tung cam nang cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien anh))) or (chieu xanh)) - thanh tung cam nang cong manh toan cao*.