Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thien van » thi van
hanh vii » hanh voi, hanh va, hanh noi
cham duc » pham duc, cham soc, pham duy
van cham » van chat, van tham, va cham
dong ha » dong hoa, dong va, dong hoc
duc van » duc va, duc tan, duc manh
dang ha » dung ha, lang ha, tang ha
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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