Perhaps you should try some spelling variations:
tham thuc » nham thuc, pham thuc, tam thuc
toc sach » hoc sach, doc sach, thuoc sach
cham tuc » nham thuc, pham thuc, cham soc
hanh doi » thanh doi, hanh noi, hang doi
sach ly » sach y, sach lo, sach ty
ly vang » ly hang, ly van, ly quang
vang xa » lang xa, mang xa, ang xa
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi 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 ly vang xa hoi. hieu ve ((cham tuc) or (tham thuc)) va hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ly vang xa hoi. hieu ve ((cham tuc) OR (tham thuc)) va hanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ly vang xa hoi. hieu ve ((cham tuc) or (tham thuc)) va hanh doi cua tre*.