Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
cham duc » pham duc, cham soc, pham duy
hieu van » hieu va, thien van, hieu ve
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
su sach » so sach, vu sach
su xac » pu xac, su cac

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 (su xac)) ky lang ha noi. ((hieu van) or (lieu va)) cham duc van hanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (su xac)) ky lang ha noi. ((hieu van) OR (lieu va)) cham duc van hanh vai cua thuoc.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (su xac)) ky lang ha noi. ((hieu van) or (lieu va)) cham duc van hanh vai cua thuoc*.