Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thuc gia » thuc giai, thue gia, thuc dia
thanh vi » hanh vi, thanh va, thanh ve
so sach » so sanh, bo sach, co sach
lang xa » lang ha, dang xay, lang van
hieu va » hieu qua
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y lang xa hoi. ((hieu va) or (lieu va)) cach thuc gia thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y lang xa hoi. ((hieu va) OR (lieu va)) cach thuc gia thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach y lang xa hoi. ((hieu va) or (lieu va)) cach thuc gia thanh vi cua tre*.