Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
manh quang » minh quang, anh quang, manh quan
quang dung » quang trung, ung dung, cuong dung
trong manh » trong minh, trong anh, trong mach
hieu manh » chieu xanh, hieu nganh, dieu hanh
van manh » van minh, van anh, van hanh
manh van » anh van, menh van, canh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (((chieu sach) or (chieu sang)))) - van manh quang dung trong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((chieu sach) OR (chieu sang)))) - van manh quang dung trong manh van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((chieu sach) or (chieu sang)))) - van manh quang dung trong manh van ban*.