Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
thanh vai » thanh hai, thanh tai, thanh oai
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
vu san » va san, vu ban
cua te » cua tu
san ky » sang ky, van ky, dan ky
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu san ky nang ((x hoi) OR (o hoi)). hieu viec cac nuoc va ((thanh vai) or (thanh van)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang ((x hoi) OR (o hoi)). hieu viec cac nuoc va ((thanh vai) OR (thanh van)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky nang ((x hoi) OR (o hoi)). hieu viec cac nuoc va ((thanh vai) or (thanh van)) cua te*".