Perhaps you should try some spelling variations:
thanh trung » thanh tung
quoc truong » quoc trung, quoc trong, hoc truong
chieu sang » chieu sach, chieu xanh, hieu lang
dong thanh » truong thanh
cong manh » cong danh, duong manh, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung quoc truong ((cong manh) or (dong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung quoc truong ((cong manh) OR (dong thanh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung quoc truong ((cong manh) or (dong thanh)) toan ban*.