Perhaps you should try some spelling variations:
dinh vai » dinh van, dinh vi, dinh va
co sach » bo sach, cuon sach, hoc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
va dinh » van dinh, va kinh, va tinh
vai 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 x hoi. hieu ((v pham) or (vi pham)) duc va dinh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ty nang x hoi. hieu ((v pham) OR (vi pham)) duc va dinh vai cua te.
• Adding a wildcard symbol may retrieve word variants: co sach ty nang x hoi. hieu ((v pham) or (vi pham)) duc va dinh vai cua te*.