Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
phung cao » phung van, nhung cau, phung ho
nang cong » nang song, dang cong, bang cong
hung cao » hung dao, nung cao, hung ca
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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 - manh ((hung cao) or (phung cao)) nang cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - manh ((hung cao) OR (phung cao)) nang cong tan toan ban*.