Perhaps you should try some spelling variations:
cua triet » su triet, va triet
danh tai » doanh tai, dinh tai, hanh tai
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
dau duc » dao duc, dang duc, dau nuoc
va danh » va dinh, va dan, va hanh
y nang » ky nang, ly nang, v nang
va dau » va dao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. lieu va dau duc va danh tai ((cua triet) OR (cua viet))~.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. lieu va dau duc va danh tai ((cua triet) or (cua viet))*.