Perhaps you should try some spelling variations:
dang xay » dang van, van xay
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
vu cham » va cham, vu kham, tu cham
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, ve chim
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, lang van
cua tre » cua te, cuu tre, cua triet
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 ((dang xay) or (lang xa)) hoi. hieu ((ve cham) or (vu cham)) tuc va hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((dang xay) OR (lang xa)) hoi. hieu ((ve cham) OR (vu cham)) tuc va hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((dang xay) or (lang xa)) hoi. hieu ((ve cham) or (vu cham)) tuc va hanh tai cua tre*.