Perhaps you should try some spelling variations:
dai truc » dai thuc, doan truc, dai trung
truc van » truc va, thuc van, truc ban
tu sach » thu sach, su sach, te sach
van anh » van thanh, tuan anh, van minh
xang xa » lang xa, mang xa, dang xay
cua tre » cuu tre, cua triet, dua tren
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
anh va » hanh va
va dai » va dao, vi dai, va dau
ang xa » lang xa, mang xa, dang xay
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: tu sach ty ((xang xa) or (ang xa)) hoi. hieu va dai truc van anh va ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((xang xa) OR (ang xa)) hoi. hieu va dai truc van anh va ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((xang xa) or (ang xa)) hoi. hieu va dai truc van anh va ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((xang xa) or (ang xa)) hoi. hieu va dai truc van anh va ((cua tre) OR (cua te))*.