Perhaps you should try some spelling variations:
thai thuy » thi thuy, thanh thuy, thuat thuy
toc sach » hoc sach, doc sach, thuoc sach
danh sai » dung sai, danh bat, danh dau
thai tuc » thai thuc, thai hoc, thu tuc
xa danh » va danh, dia danh, nam danh
nang xa » lang xa, nang ma, mang xa
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y ((nang xa) or (nang x)) hoi. lieu va ((thai tuc) OR (thai thuy)) xa danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y ((nang xa) OR (nang x)) hoi. lieu va ((thai tuc) OR (thai thuy)) xa danh sai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y ((nang xa) or (nang x)) hoi. lieu va ((thai tuc) OR (thai thuy)) xa danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: toc sach y ((nang xa) or (nang x)) hoi. lieu va ((thai tuc) OR (thai thuy)) xa danh sai cua tre*.