Perhaps you should try some spelling variations:
xay thanh » day thanh, giay thanh, ngay thanh
nam thuc » nam thuoc, am thuc, nam thu
thuc xay » thuc day, tuc xay, thuat xay
dau tren » dau tien, dat tren, dau tieng
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
hang xa » hoang xa, hang ca, lang xa
hieu ve » hieu va, hieu van
san dau » van dau, san diu, ban dau
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((hang xa) or (hang va)) hoi. hieu ve nam thuc xay thanh san dau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((hang xa) OR (hang va)) hoi. hieu ve nam thuc xay thanh san dau tren.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((hang xa) or (hang va)) hoi. hieu ve nam thuc xay thanh san dau tren*.