Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thuc ban » thuoc ban, thuc dan, thu ban
moi quan » mai quan, hai quan, co quan
nam thuc » nam thuoc, am thuc, nam thu
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
hoi cua » hoi chuc
ve nam » he nam, va nam, le nam
lai ky » sai ky, dai ky
te lai » te tai, te bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te lai ky ((nang xa) OR (nang x)) hoi. hieu ve nam thuc ban thanh ((moi quan) or (hoi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te lai ky ((nang xa) OR (nang x)) hoi. hieu ve nam thuc ban thanh ((moi quan) OR (hoi cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te lai ky ((nang xa) OR (nang x)) hoi. hieu ve nam thuc ban thanh ((moi quan) or (hoi cua)) triet".
• Adding a wildcard symbol may retrieve word variants: te lai ky ((nang xa) OR (nang x)) hoi. hieu ve nam thuc ban thanh ((moi quan) or (hoi cua)) triet*.