Perhaps you should try some spelling variations:
cau trieu » cac trieu, cau triet, chua trieu
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
va hanh » van hanh, va thanh, va danh
lai cau » lai chau, lai cam, loi cau
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (so sach)) y nang ma hoi. hieu va pham duc va hanh lai cau trieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (so sach)) y nang ma hoi. hieu va pham duc va hanh lai cau trieu.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (so sach)) y nang ma hoi. hieu va pham duc va hanh lai cau trieu*.