Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
vu khach » vu khanh, vu khac, vay khach
khach ky » hanh ky, thanh ky
hieu van » hieu va, thien van, lieu va
dang xay » dang van, van xay
van cac » van hac, van cau, van bac
cac tuc » cac toc, cac tu, cac tac
tuc ban » thuc ban, truc ban, tu ban
lang xa » lang ha, lang van
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khach ky ((lang xa) or (dang xay)) hoi. hieu van cac tuc ban thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khach ky ((lang xa) OR (dang xay)) hoi. hieu van cac tuc ban thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu khach ky ((lang xa) or (dang xay)) hoi. hieu van cac tuc ban thanh vai cua tre*.