Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh tai, thanh oai
thanh van » thanh san, thanh toan, thanh phan
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cham so » cham soc, cham o, ham so
so ban » sao ban, so bang, co ban
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 x hoi. hieu van cham so ban ((thanh vai) or (thanh van)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang x hoi. hieu van cham so ban ((thanh vai) OR (thanh van)) cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang x hoi. hieu van cham so ban ((thanh vai) or (thanh van)) cua te*.