Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
duc ban » duc van, dua ban, duc manh
duc man » duc manh, duc mau, duc van
vai cua » dai cua, hai cua, lai cua
ty ang » ty xang, ty hang, ty anh
ang xa » lang xa, mang xa, dang xay

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 hoi. hieu ve cham ((((duc ban) OR (duc man))) or (duc tan)) hanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ang xa hoi. hieu ve cham ((((duc ban) OR (duc man))) OR (duc tan)) hanh vai cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ang xa hoi. hieu ve cham ((((duc ban) OR (duc man))) or (duc tan)) hanh vai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: te sach ty ang xa hoi. hieu ve cham ((((duc ban) OR (duc man))) or (duc tan)) hanh vai cua thuoc*.