Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
toc sach » hoc sach, doc sach, thuoc sach
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
duc ban » duc tan, duc van, dua ban
vai cua » dai cua, hai cua, lai cua
ty ang » ty xang, ty hang, ty anh
ang xa » lang xa, mang xa, dang xay
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) OR (toc sach)) ty ang xa hoi. hieu ve cam duc ban hanh vai cua thuoc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty ang xa hoi. hieu ve cam duc ban hanh vai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty ang xa hoi. hieu ve cam duc ban hanh vai cua thuoc*.