Perhaps you should try some spelling variations:
sach phap » sach phat, sach nha, sach tham
sach nhat » sach nha, sach phat, sach tham
phap ngu » han ngu, phap tu, phap thu
te sach » toc sach
nhin nu » nhin cau
nu viet » ngu viet, su viet, vu viet
tu sach » thu sach, su sach, tu cach
nhin tu » khien tu
tu viet » su viet, te viet, vu viet

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

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