Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, nhanh quang, hanh trang
chieu sang » chieu sach, chieu xanh, nhieu tang
duong cong » dung cong, luong cong, duong trong
bang thanh » ban thanh, dang thanh, tang thanh
hieu lang » hieu quang, nhieu tang, hieu van
cong bang » cuong bang, dong bang, hong bang
thanh cau » thanh chau, thanh mau, nhanh cau
thang va » hang va, trang va, thong va
va duong » van duong, va tuong, va huong

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)) - nhanh thang va duong cong bang thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (hieu lang)) - nhanh thang va duong cong bang thanh cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (hieu lang)) - nhanh thang va duong cong bang thanh cau*.