Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
vu nham » vu kham, vu cham, sua nham
va cham » va chat, va tham
thuc ca » thuc cua, thuc can, thuc cao
van dau » van dao, phan dau
dau cua » dai cua, day cua, cau cua
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
ca van » cac van, cao van, can van

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