Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc ban » duc tan, duc van, dua ban
vai cua » dai cua, hai cua, lai cua
ang xa » mang xa, dang xay, hoang xa

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 (lang xa)) hoi. hieu ve pham duc ban hanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((ang xa) OR (lang xa)) hoi. hieu ve pham duc ban hanh vai cua thuoc.
• Adding a wildcard symbol may retrieve word variants: te sach ty ((ang xa) or (lang xa)) hoi. hieu ve pham duc ban hanh vai cua thuoc*.