Perhaps you should try some spelling variations:
sach tham » sach nha
tham nang » nham nang, tham lang, tham nhung
toc sach » hoc sach, doc sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va, hieu qua
cam luc » cam xuc
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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 tham nang cao hoi. hieu va ((cam luc) or (cau luc)) va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach tham nang cao hoi. hieu va ((cam luc) OR (cau luc)) va hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach tham nang cao hoi. hieu va ((cam luc) or (cau luc)) va hanh vai cua tre*.