Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hieu van » hieu va, thien van, lieu va
cham duc » pham duc, cham soc, pham duy
hanh hai » thanh hai, nhanh hai, hang hai
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
thi van » thi lan, thi hanh, thi nang
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, dai cua, hoi cua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky

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