Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
hanh doi » thanh doi, hanh noi, hang doi
te sach » toc sach
sach ly » sach y, sach lo, sach ty
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua, dong 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: te sach ly ((nang xa) or (lang xa)) hoi. hieu ve cham thuc va hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly ((nang xa) OR (lang xa)) hoi. hieu ve cham thuc va hanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ly ((nang xa) or (lang xa)) hoi. hieu ve cham thuc va hanh doi cua tre*.