Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
nhanh dung » nhanh dong, hanh dung, nhanh hung
nang cong » nang song, dang cong, bang cong
dung thi » dung tai, dung tri, dung chi
thi nang » thi cong, ki nang, thi hanh
cong anh » cong danh, dong anh, hong anh
tuan tap » toan tap, tuan tai, toan tai

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 (chinh sach)) - nhanh dung thi nang cong anh ((tuan tap) or (tuyen tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - nhanh dung thi nang cong anh ((tuan tap) OR (tuyen tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - nhanh dung thi nang cong anh ((tuan tap) or (tuyen tap))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - nhanh dung thi nang cong anh ((tuan tap) or (tuyen tap))*.