Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
van pham » san pham, van phan, van phat
ban hanh » ban hang
vai cua » dai cua, hai cua, lai cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
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.

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