Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thien van » thi van
hanh hai » thanh hai, nhanh hai, hang hai
van hanh » van thanh, ban hanh, van anh
hieu van » hieu va, lieu va, hieu ve
cham duc » pham duc, cham soc, pham duy
hai cua » thai cua, dai cua, hoi cua
duc van » duc va, duc tan, duc manh
dang ha » dong ha, dung ha, lang ha
sac 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) OR (cac ky)) dang ha noi. ((hieu van) or (thien van)) cham duc van hanh hai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (cac ky)) dang ha noi. ((hieu van) OR (thien van)) cham duc van hanh hai cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) OR (cac ky)) dang ha noi. ((hieu van) or (thien van)) cham duc van hanh hai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: su ((sac ky) OR (cac ky)) dang ha noi. ((hieu van) or (thien van)) cham duc van hanh hai cua thuoc*.