Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
canh hanh » xanh hanh, canh tranh, danh thanh
van thanh » van tuan
ban thanh » ban hanh, ban hang
hanh va » hang va, hanh vi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - canh hanh va nhung tuong ((van thanh) OR (ban thanh)) tay~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) or (hieu lang)) - canh hanh va nhung tuong ((van thanh) OR (ban thanh)) tay~".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (hieu lang)) - canh hanh va nhung tuong ((van thanh) OR (ban thanh)) tay*.