Perhaps you should try some spelling variations:
kham tuc » nham thuc, pham thuc, kham cuoc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » sang ma, nang cao, mang may
tang ma » mang may, tang van
hieu vu » hieu va, hieu ve, hieu su
vu kham » vu khanh
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
va dat » va dao, va dau, va dap
dat ca » dat cau, dat cua, dat va
ca cua » co cua

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 ky ((nang ma) or (tang ma)) hoi. hieu vu kham tuc va dat ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (tang ma)) hoi. hieu vu kham tuc va dat ca cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang ma) or (tang ma)) hoi. hieu vu kham tuc va dat ca cua tre*.