Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
vai cua » dai cua, hai cua, lai cua
duc ban » duc tan, duc van, dua ban
cac duc » cac du, cao duc, cac dac
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
tang ma » mang may, tang van
san tay » ban tay, dan tay, han tay
cua tre » cua te, cuu tre, cua triet
san ty » van ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((san ty) OR (san tay)) ((tang ma) or (lang xa)) hoi. hieu va cac duc ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((san ty) OR (san tay)) ((tang ma) OR (lang xa)) hoi. hieu va cac duc ban thanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((san ty) OR (san tay)) ((tang ma) or (lang xa)) hoi. hieu va cac duc ban thanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat ((san ty) OR (san tay)) ((tang ma) or (lang xa)) hoi. hieu va cac duc ban thanh vai cua tre*.