Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
hanh hinh » hanh chinh, hanh tinh, hanh dinh
nang cong » nang song, dang cong, bang cong
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban
hinh va » chinh va, hanh va, tinh va
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 ((chieu sach) or (chiet tach)) - hanh hinh va nang cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - hanh hinh va nang cong anh tuan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chiet tach)) - hanh hinh va nang cong anh tuan ban*.