Perhaps you should try some spelling variations:
phat duc » pham duc, phan duc, phan duoc
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve phat » va phat, te phat, de phat
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
cua su » qua su

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 y nang xa hoi. hieu ve phat duc ((va danh) or (va hanh)) lai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach y nang xa hoi. hieu ve phat duc ((va danh) OR (va hanh)) lai cua su.
• Adding a wildcard symbol may retrieve word variants: co sach y nang xa hoi. hieu ve phat duc ((va danh) or (va hanh)) lai cua su*.