Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cua triet » cua viet, va triet
va thanh » gia thanh, ban thanh, va tinh
su triet » su viet, su tien, ve triet
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cac lo » cac lop, cac co, cac bo
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach y nang xa hoi. hieu va cac lo ((va danh) or (va thanh)) vai ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach y nang xa hoi. hieu va cac lo ((va danh) OR (va thanh)) vai ((cua triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nuoc sach y nang xa hoi. hieu va cac lo ((va danh) or (va thanh)) vai ((cua triet) OR (su triet))*".