Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh
nhieu tang » nhiet nang
hieu lang » hieu quang, hieu van, biet lang
tong cong » trong cong, cong cong, dung cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
hanh san » thanh san, khach san, thanh son
toan cau » toan cao, toan ban, toan tap
va tong » va thong, va tuong, va trong
san va » san van, ban va, dan va

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 sang) or (nhieu tang))) or (hieu lang)) - hanh san va tong cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sang) OR (nhieu tang))) OR (hieu lang)) - hanh san va tong cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sang) or (nhieu tang))) or (hieu lang)) - hanh san va tong cong manh toan cau*.