Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
ca thuong » cao thuong, cua thuong, va thuong
thong ban » thong van, trong ban, thong bai
ban thanh » ban hanh, ban hang
thanh mau » hanh mau, thanh san, thanh hai
chu sang » chu bang, thu sang, chuc nang
cua tong » cua cong, cua dong, cua nong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sang) OR (chieu sang)) - canh tranh ((cua tong) or (ca thuong)) thong ban thanh mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (chieu sang)) - canh tranh ((cua tong) OR (ca thuong)) thong ban thanh mau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sang) OR (chieu sang)) - canh tranh ((cua tong) or (ca thuong)) thong ban thanh mau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) OR (chieu sang)) - canh tranh ((cua tong) or (ca thuong)) thong ban thanh mau*.