Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh dinh » thanh dinh, hinh dinh, hanh tinh
hung cong » nhung cong, hung cuong, phung cong
manh toan » thanh toan, anh tuan, tinh toan
dinh van » sinh vat
van hung » van dung, manh hung, van duong
dan than » dan chan, ban than, van than

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 dinh van hung cong ((dan than) or (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh dinh van hung cong ((dan than) OR (manh toan)) ban*.