Perhaps you should try some spelling variations:
chieu sang » chieu sach, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
dang trong » dung trong, dong trong, lang trong
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
cac thanh » bac thanh, cach nhanh, ban thanh
thanh ban » thanh san, thanh van, thanh bac
cua dang » cua cong, cua ban

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 (hieu lang))) or (chieu xanh)) - hanh tranh cua dang trong cac thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sang) OR (hieu lang))) OR (chieu xanh)) - hanh tranh cua dang trong cac thanh ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu sang) OR (hieu lang))) or (chieu xanh)) - hanh tranh cua dang trong cac thanh ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sang) OR (hieu lang))) or (chieu xanh)) - hanh tranh cua dang trong cac thanh ban*.