Perhaps you should try some spelling variations:
thien van » thi van
can thuc » dan thuc, van thuc, cay thuc
sach ty » sach tu, sach thu, xach tay
lang xa » lang ha, dang xay, lang van
van can » van canh, van ban, ban can
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
dinh va » dinh van, dinh ve, tinh va
dau tra » cau tra, dan tra, dau tranh
va dau » 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: te ((sach ty) or (sach y)) lang xa hoi. thien van can thuc va dinh va dau tra~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) lang xa hoi. thien van can thuc va dinh va dau tra.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach y)) lang xa hoi. thien van can thuc va dinh va dau tra*.