Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
nang quan » ban quan
bang cong » dang cong, bang song, hang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van 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 chieu xanh - hanh ((nang quan) OR (nang suat)) bang cong manh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((nang quan) OR (nang suat)) bang cong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((nang quan) OR (nang suat)) bang cong manh toan ban*.