Perhaps you should try some spelling variations:
nhin muoi » nhin moi
muoi viet » cuoi viet, nguoi viet, muong viet
sach phat » sach nha, sach tham, cach pha
cach pho » cach pha, cach phong, cach thoi
pho nghe » kho nghe, khoe nghe, cheo nghe
phat ngu » nhat ngu, phap ngu, pham ngu
tu cach » tu cac
tu sach » thu sach, su sach, te sach
nhin so » khien so, nhin moi
so viet » hoc viet

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach pho nghe - goc nhin muoi viet ) or ( tu sach phat ngu - goc nhin so viet ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach pho nghe - goc nhin muoi viet ) OR ( tu sach phat ngu - goc nhin so viet )).
• Adding a wildcard symbol may retrieve word variants: (( tu cach pho nghe - goc nhin muoi viet ) or ( tu sach phat ngu - goc nhin so viet ))*.