Perhaps you should try some spelling variations:
thuat bai » thuat bao, thuyet bai, thuat xay
ban thanh » ban hanh, ban hang
thanh va » thanh van, hanh va, thanh ha
hieu van » hieu va, thien van, lieu va
te sach » toc sach
va chua » vua chua, ca chua, va chu
tuc ban » thuc ban, truc ban, tu ban
nam tuc » nam thuc, nam truc, nam tu
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
chua te » cua te, chua tu, chua xe

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) or (thuat bai)) ky ((lang xa) or (nang ma)) hoi. hieu van nam tuc ban thanh va chua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat bai)) ky ((lang xa) OR (nang ma)) hoi. hieu van nam tuc ban thanh va chua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat bai)) ky ((lang xa) or (nang ma)) hoi. hieu van nam tuc ban thanh va chua te*.