Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
lang va » lang van, hang va, lang ha
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((thuc hanh) or (chieu xanh)) - nhanh lang va nang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((thuc hanh) OR (chieu xanh)) - nhanh lang va nang cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((thuc hanh) or (chieu xanh)) - nhanh lang va nang cong dan toan ban*.