Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
va thanh » gia thanh, ban thanh, va tinh
cac tuc » cac toc, cac tu, cac tac
tuc va » thuc va, truc va, tuc xa
vu san » va san, vu ban
cua tu » cua tuc, cua su, cua cu
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 tuc va thanh vai ((cua te) or (cua tu))~.
• 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 tuc va thanh vai ((cua te) OR (cua tu))*.
• 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 tuc va thanh vai ((cua te) or (cua tu))*".