Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
tu sach » thu sach, su sach, te sach
lai cuu » lai cua, lai chau, lai cuoc
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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 lang xa hoi. hieu ((ve cam) or (va cam)) tuc ((va thanh) OR (ban thanh)) lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang xa hoi. hieu ((ve cam) OR (va cam)) tuc ((va thanh) OR (ban thanh)) lai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty lang xa hoi. hieu ((ve cam) or (va cam)) tuc ((va thanh) OR (ban thanh)) lai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang xa hoi. hieu ((ve cam) or (va cam)) tuc ((va thanh) OR (ban thanh)) lai cuu tre*.