Perhaps you should try some spelling variations:
ngang nhanh » nang thanh, nhan nhanh, nganh thanh
hanh trong » hanh trang, anh trong, hinh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trong nam » thong nam, trong lam, trong cac
danh cong » hanh cong, anh cong, dinh cong
dang cong » dung cong
nhanh cau » nhanh cay, thanh chau, nhanh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) OR (hieu lang)) - hanh trong nam ((danh cong) or (dang cong)) ngang nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - hanh trong nam ((danh cong) OR (dang cong)) ngang nhanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (hieu lang)) - hanh trong nam ((danh cong) or (dang cong)) ngang nhanh cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (hieu lang)) - hanh trong nam ((danh cong) or (dang cong)) ngang nhanh cau*.