Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
thu sach » tu sach, thuat sach, thuoc sach
lang mai » lang dai, lang hai, lang man
mai khoi » mai khoa, tai khoa, cac khoi
ve cham » va cham, ve chat, vu cham
xuc van » duc van, luc van, vuc van
su sach » so sach, vu sach
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di cua
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (thu sach)) y lang mai khoi. hieu ((ve cam) OR (ve cham)) xuc van thanh vi cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thu sach)) y lang mai khoi. hieu ((ve cam) OR (ve cham)) xuc van thanh vi cua thuoc*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (thu sach)) y lang mai khoi. hieu ((ve cam) OR (ve cham)) xuc van thanh vi cua thuoc*".