Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec lam » viec va
hanh vai » hanh vi, hanh va, hanh tai
nang xa » lang xa, nang ma, ang xa
vai cua » dai cua, hai cua, lai cua
mang xa » lang xa, mang may, dang xay
va hanh » van hanh, va thanh, va danh
lam luc » lao luc, lam duoc
luc va » duc va, tuc va, loc va
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
cua tu » cua tuc, cua su, cua cu

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 xa) OR (mang xa))) or (nang x)) hoi. hieu viec lam luc va hanh vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky ((((nang xa) OR (mang xa))) OR (nang x)) hoi. hieu viec lam luc va hanh vai cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky ((((nang xa) OR (mang xa))) or (nang x)) hoi. hieu viec lam luc va hanh vai cua tu*".