Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
va thanh » gia thanh, ban thanh, va tinh
dang xay » dang van, van xay
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cuu tre » cua tre, cau tren, cau treo
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
di cuu » di cau, di cua, dinh cuu
ve cam » ve cham, va cam, ve cai

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 ky ((mang may) or (dang xay)) hoi. hieu ((ve cam) or (ve cac)) tuc va thanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((mang may) OR (dang xay)) hoi. hieu ((ve cam) OR (ve cac)) tuc va thanh di cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((mang may) or (dang xay)) hoi. hieu ((ve cam) or (ve cac)) tuc va thanh di cuu tre*.