Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
dang xay » dang van, van xay
hanh tai » thanh tai, hang tai, han tai
ban hanh » ban hang
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
duc ban » duc tan, duc van, dua ban
lang xa » lang ha, lang van
tai cua » thai cua, tai cuc, tri cua
te sach » toc sach
ve cam » ve cham, ve cac, va cam

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 ((lang xa) OR (dang xay)) hoi. hieu ve cam duc ban hanh tai cua thuoc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((lang xa) OR (dang xay)) hoi. hieu ve cam duc ban hanh tai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((lang xa) OR (dang xay)) hoi. hieu ve cam duc ban hanh tai cua thuoc*.