Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
co sach » bo sach, cuon sach, hoc sach
ty nang » ky nang, ty hang, ly nang
va danh » va dinh, va dan, va hanh
sai cua » dai cua, hai cua, lai cua
v pham » d pham
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ((ty nang) OR (ty xang)) x hoi. hieu ((v pham) or (vi pham)) duc va danh sai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ((ty nang) OR (ty xang)) x hoi. hieu ((v pham) OR (vi pham)) duc va danh sai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach ((ty nang) OR (ty xang)) x hoi. hieu ((v pham) or (vi pham)) duc va danh sai cua te".
• Adding a wildcard symbol may retrieve word variants: co sach ((ty nang) OR (ty xang)) x hoi. hieu ((v pham) or (vi pham)) duc va danh sai cua te*.