Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, danh dau
dang xay » dang van, van xay
tu sach » thu sach, su sach, te sach
sai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach tu, sach thu
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
lang xa » lang ha, lang van
cua tre » cua te, cuu tre, cua triet
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa

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) or (dang xay)) hoi. hieu ve cham ((luc va) OR (tuc va)) danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((lang xa) OR (dang xay)) hoi. hieu ve cham ((luc va) OR (tuc va)) danh sai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty ((lang xa) or (dang xay)) hoi. hieu ve cham ((luc va) OR (tuc va)) danh sai cua tre*".