Perhaps you should try some spelling variations:
cao thuc » cao thuoc, bao thuc, can thuc
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
thuc ban » thuoc ban, thuc dan, thu ban
te sach » toc sach
cua tre » cuu tre, cua triet, dua tren
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
va cao » va cac, va co, va dao
sach v » sach va, sach y, sach 2
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: te sach v ((nang xa) OR (nang ma)) hoi. lieu va cao thuc ban hanh vai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang xa) OR (nang ma)) hoi. lieu va cao thuc ban hanh vai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v ((nang xa) OR (nang ma)) hoi. lieu va cao thuc ban hanh vai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang xa) OR (nang ma)) hoi. lieu va cao thuc ban hanh vai ((cua tre) or (cua te))*.