Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
cua khong » hua khong, cua phuong, cua thuong
nang sang » nang song, nong san
hanh san » thanh san, khach san, thanh son
cang san » cong san, cang sau, giang san
toan cao » toan ban, toan tap
san cua » sang cua, ban cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (hieu lang)) - hanh san cua khong ((cang san) OR (nang sang)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - hanh san cua khong ((cang san) OR (nang sang)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (hieu lang)) - hanh san cua khong ((cang san) OR (nang sang)) toan cao*".