Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
chat xuc » chat huu, cam xuc, chao xu
hieu van » hieu va, thien van, lieu va
van chat » cao chat
thu sach » tu sach, thuat sach, thuoc sach
nang co » nang cao, nang doc, nang noi
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, bai cua
lai cua » dai cua, hai cua, lai chau
co hoi » co hoc, co loi
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: ((toc sach) or (thu sach)) ky nang co hoi. hieu van chat xuc va danh ((vai cua) or (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thu sach)) ky nang co hoi. hieu van chat xuc va danh ((vai cua) OR (lai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thu sach)) ky nang co hoi. hieu van chat xuc va danh ((vai cua) or (lai cua)) tre*.