Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, cuoc cach, cuon sach
hoc sach » hoc sinh, hoc cac, hoc anh
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (nuoc sach)) ky dang cay phoi. hieu va cam xuc va hanh ((vai cua) OR (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (nuoc sach)) ky dang cay phoi. hieu va cam xuc va hanh ((vai cua) OR (lai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) or (nuoc sach)) ky dang cay phoi. hieu va cam xuc va hanh ((vai cua) OR (lai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (nuoc sach)) ky dang cay phoi. hieu va cam xuc va hanh ((vai cua) OR (lai cua)) tre*.