Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
xuc minh » xuan minh, suc manh, vu minh
duc minh » duc anh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cac » van hac, van cau, van bac
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang xa hoi. hieu van cac ((xuc minh) OR (duc minh)) thanh ((vai cua) or (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. hieu van cac ((xuc minh) OR (duc minh)) thanh ((vai cua) OR (lai cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang xa hoi. hieu van cac ((xuc minh) OR (duc minh)) thanh ((vai cua) or (lai cua)) te*".