Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
bach nuoc » bach tuoc, sach nuoc, bich ngoc
hien bach » vien bach, thien hach, hien hanh
bieu hien » dieu hien, dieu khien, bien phien
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
sach ty » sach tu, sach thu, xach tay
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ty) or (sach y)) ((nang xa) OR (lang xa)) hoi. bieu hien bach nuoc va danh vi cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ty) OR (sach y)) ((nang xa) OR (lang xa)) hoi. bieu hien bach nuoc va danh vi cua thuoc*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ty) or (sach y)) ((nang xa) OR (lang xa)) hoi. bieu hien bach nuoc va danh vi cua thuoc*".