Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, chau tuyet
cau trieu » cac trieu, cau triet, chua trieu
thu sach » tu sach, thuat sach, thuoc sach
cham duc » pham duc, cham soc, pham duy
hanh lai » hanh lam, hanh tai, thanh lap
sach ty » sach y, sach tu, sach thu
xang ma » tang ma, nang ma, sang ma
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
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: thu sach ty xang ma hoi. hieu vu cham duc va hanh lai ((chau triet) or (cau trieu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty xang ma hoi. hieu vu cham duc va hanh lai ((chau triet) OR (cau trieu)).
• Adding a wildcard symbol may retrieve word variants: thu sach ty xang ma hoi. hieu vu cham duc va hanh lai ((chau triet) or (cau trieu))*.