Perhaps you should try some spelling variations:
thuc va » thuc vat, thuc dan, thuc day
sach ty » sach y, sach tu, sach thu
dang xa » dang xay, lang xa, dang ha
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky
va nam » van nam, va nay
va dan » ca dan, va dao, va dau
dan va » doan va, dan ca, ban va
va cuu » va cau, va chu, va huu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ty) or (sac ky)) dang xa hoi. hieu ((va nam) or (ha nam)) thuc va dan va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ty) OR (sac ky)) dang xa hoi. hieu ((va nam) OR (ha nam)) thuc va dan va cuu tre.
• Adding a wildcard symbol may retrieve word variants: toc ((sach ty) or (sac ky)) dang xa hoi. hieu ((va nam) or (ha nam)) thuc va dan va cuu tre*.