Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
sach ty » sach y, sach tu, sach thu
nang co » nang cao, nang doc, nang noi
sach ky » sac ky, sach y, sach kem
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
co hoi » co hoc, co loi
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) or (sach ty)) nang co hoi. hieu ve pham thuc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach ty)) nang co hoi. hieu ve pham thuc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sach ty)) nang co hoi. hieu ve pham thuc va hanh di cua te*.