Perhaps you should try some spelling variations:
te sach » toc sach
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
hieu he » hieu ve, hiem he, hieu le
thu nam » tu nam, thu nhap, thu nhat
nam dan » nam dinh
dan sai » danh sai, doan sai, dan tai
sai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
he nam » ha nam, nghe nam

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 y ((nang ma) OR (sang ma)) hoi. hieu he nam thu nam dan sai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang ma) OR (sang ma)) hoi. hieu he nam thu nam dan sai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang ma) OR (sang ma)) hoi. hieu he nam thu nam dan sai cua tre*.