Perhaps you should try some spelling variations:
pham nhanh » pham thanh, pham hanh, pham khanh
nhanh hai » nhanh thai, thanh hai, nhanh ha
so cach » so sach, co cach, loi cach
cach tu » cach thuc
tu nang » tru nang, tu nong, tu nano
nang xa » nang x, lang xa, nang ma
ve phan » ve phat, vi phan, viet phan
va phan » van phan, va phat, va phap
ke phan » kenh phan, ke thang
hai cua » thai cua, dai cua, hoi 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: so cach tu nang xa hoi. hieu ((((ve phan) OR (va phan))) or (ke phan)) thuc pham nhanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so cach tu nang xa hoi. hieu ((((ve phan) OR (va phan))) OR (ke phan)) thuc pham nhanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so cach tu nang xa hoi. hieu ((((ve phan) OR (va phan))) or (ke phan)) thuc pham nhanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: so cach tu nang xa hoi. hieu ((((ve phan) OR (va phan))) or (ke phan)) thuc pham nhanh hai cua tre*.