Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
cao thuc » cao thuoc, bao thuc, can thuc
thuc van » thuc vat, thuc dan, thuc va
van dinh » van minh, van dich, va dinh
dinh lai » dinh lam, dinh lap, dinh tai
sach ty » sach y, sach tu, sach thu
lang xa » dang xay, lang van
lang ha » long ha
chau te » chau tho
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ty ((lang xa) OR (lang ha)) hoi. lieu va cao thuc van dinh lai chau te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ty ((lang xa) OR (lang ha)) hoi. lieu va cao thuc van dinh lai chau te".
• Adding a wildcard symbol may retrieve word variants: hoc sach ty ((lang xa) OR (lang ha)) hoi. lieu va cao thuc van dinh lai chau te*.