Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hien xanh » hien hanh, hien nhanh, hien khanh
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
dan than » dan chan, ban than, van than
cong ha » cong hoa, dong ha, cong tac
ha bang » hai bang, ha tang, va bang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (chieu xanh)) - thanh cong ha bang cong ((manh toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu xanh)) - thanh cong ha bang cong ((manh toan) OR (dan than)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu xanh)) - thanh cong ha bang cong ((manh toan) or (dan than)) cao*.