Perhaps you should try some spelling variations:
thien van » thi van
ban nhanh » ban hanh, ban thanh, ban nhan
nhanh hai » nhanh thai, thanh hai, nhanh ha
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hieu van » hieu va, lieu va, hieu ve
cham duc » pham duc, cham soc, pham duy
ky dang » ky nang, ky danh
dang ha » dong ha, dung ha, lang ha
duc ban » duc tan, duc van, dua ban
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 (thien van)) cham duc ban nhanh 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 (thien van)) cham duc ban nhanh hai cua thuoc.
• Adding a wildcard symbol may retrieve word variants: su sac ky dang ha noi. ((hieu van) or (thien van)) cham duc ban nhanh hai cua thuoc*.