Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
so ngan » ro ngan, von ngan
ngan ky » nganh ky, nhan ky, ngan hay
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
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, ban hanh
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ngan ky lang xa hoi. hieu ve pham thuc va hanh vi cuu tre~.
• Adding a wildcard symbol may retrieve word variants: so ngan ky lang xa hoi. hieu ve pham thuc va hanh vi cuu tre*.