Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
vat hanh » vat thanh, van hanh, va hanh
sach ky » sach y, sach ty, sach kem
nang co » nang cao, nang doc, nang noi
hieu vi » hieu voi, hieu va, hieu ve
hanh di » hanh vi, hanh de, hang di
sac ky » cac ky, sai ky
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 (sac ky)) nang co hoi. hieu vi pham thuc vat hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sac ky)) nang co hoi. hieu vi pham thuc vat hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ky) or (sac ky)) nang co hoi. hieu vi pham thuc vat hanh di cua te*.