Perhaps you should try some spelling variations:
thien van » thi van
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hieu van » hieu va, lieu va, hieu ve
cham duc » pham duc, cham soc, pham duy
hanh vai » hanh vi, hanh va, hanh tai
ky dong » ly dong, ky dang, ky cong
dong ha » dong hoa, dong va, dong hoc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
su sac » su sach, su xac
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) OR (su cac)) ky dong ha noi. ((hieu van) or (thien van)) cham duc va hanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ky dong ha noi. ((hieu van) OR (thien van)) cham duc va hanh vai cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su cac)) ky dong ha noi. ((hieu van) or (thien van)) cham duc va hanh vai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su cac)) ky dong ha noi. ((hieu van) or (thien van)) cham duc va hanh vai cua thuoc*.