Perhaps you should try some spelling variations:
hang doi » hang di, hang loi, huong doi
su sach » so sach, vu sach
tuc van » thuc van, truc van, tuc va
hanh di » hanh vi, hanh de, hang di
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
cuu tre » cua tre, cau tren, cau treo
va dao » ca dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty xang xa hoi. lieu ((va dau) OR (va dao)) tuc van ((hanh di) or (hang doi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang xa hoi. lieu ((va dau) OR (va dao)) tuc van ((hanh di) OR (hang doi)) cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty xang xa hoi. lieu ((va dau) OR (va dao)) tuc van ((hanh di) or (hang doi)) cuu tre*".