Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
van hanh » van thanh, ban hanh, van anh
ban hang » ngan hang
te sach » toc sach
cam tuc » cam xuc, nam thuc, dam thuc
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
y lang » o lang, _ lang, tay lang
cam tu » cam thu, nam tu, dam tu
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y lang xa hoi. hieu ve ((cam tuc) OR (cam tu)) ((van hanh) or (ban hang)) vi cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu ve ((cam tuc) OR (cam tu)) ((van hanh) OR (ban hang)) vi cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. hieu ve ((cam tuc) OR (cam tu)) ((van hanh) or (ban hang)) vi cua thuoc".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu ve ((cam tuc) OR (cam tu)) ((van hanh) or (ban hang)) vi cua thuoc*.