Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » hieu manh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thien anh » thien danh, tien anh, thien thanh
trung cau » trung cap, trung ca, trung can
nong cong » cong cong, tong cong, nang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
cau nong » cau cong, cuu nong, cau dong
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 trung cau nong 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 trung cau nong cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (thien anh))) or (chieu xanh)) - thanh trung cau nong cong manh toan cao*.