Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
hoc chieu » hoc thieu, ho chieu, hoc hien
cua hang » cua dang, cua nhung, cua ban
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can ban » van ban, toan 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 - ((thanh trung) or (canh tranh)) ((cua hang) or (cua cong)) cong dan can ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - ((thanh trung) OR (canh tranh)) ((cua hang) OR (cua cong)) cong dan can ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - ((thanh trung) or (canh tranh)) ((cua hang) or (cua cong)) cong dan can ban*.