Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
mang xa » mang may, dang xay, mang cua
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua
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 xa) or (lang xa)) hoi. hieu ((ve cam) or (ve cac)) tuc va hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((mang xa) OR (lang xa)) hoi. hieu ((ve cam) OR (ve cac)) tuc va hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((mang xa) or (lang xa)) hoi. hieu ((ve cam) or (ve cac)) tuc va hanh di cua tre*.