Perhaps you should try some spelling variations:
chau thuoc » khau thuoc, nha thuoc, cay thuoc
tang hanh » tang thanh, dang hanh, nang hanh
duc tang » duc thang, duc tan, tuc tang
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
sach ty » sach y, sach tu, sach thu
mang xa » lang xa, mang may, dang xay
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
ang xa » lang xa, dang xay, hoang xa
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: te sach ty ((ang xa) or (mang xa)) hoi. hieu va cam duc tang hanh lai chau thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((ang xa) OR (mang xa)) hoi. hieu va cam duc tang hanh lai chau thuoc.
• Adding a wildcard symbol may retrieve word variants: te sach ty ((ang xa) or (mang xa)) hoi. hieu va cam duc tang hanh lai chau thuoc*.