Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
qua cham » qua hai, qua cac, va cham
su triet » su viet, su tien, ve triet
te sach » toc sach
lang xa » lang ha, dang xay, lang van
vat anh » van anh, sat anh, dat anh
y lang » o lang, _ lang, tay lang
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y lang xa hoi. hieu qua cham thuc vat anh va su triet~.
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu qua cham thuc vat anh va su triet*.