Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cau trieu » cac trieu, cau triet, chua trieu
vanh tai » van tai, hanh tai, anh tai
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va vanh » va van, va danh, va hanh
tai cau » tai cac, tai cao
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y ((nang xa) OR (nang ma)) hoi. hieu va cam duc va vanh tai cau trieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y ((nang xa) OR (nang ma)) hoi. hieu va cam duc va vanh tai cau trieu".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y ((nang xa) OR (nang ma)) hoi. hieu va cam duc va vanh tai cau trieu*.