Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh ha » thanh hoa, thanh hai, nhanh ha
lang van » dang van, tang van, hoang van
thuc ban » thuoc ban, thuc dan, thu ban
lang xa » lang ha, dang xay
ha cua » hoa cua, hai cua, nha cua
vu sac » vu sach, vu san, va sac
le nam » ly nam, le na, te nam
he nam » ha nam, nghe nam
sac ky » cac ky, sai ky
cua te » cua tu

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

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