Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh sinh » hanh tinh, hinh sinh, hanh chinh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
vat nhung » va nhung, vap nhung, ve nhung
vai nhung » va nhung, voi nhung, vap nhung
viec toan » kiem toan, viec ban, viec tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien nhanh - ((hanh sinh) or (hanh dinh)) ((vat nhung) OR (vai nhung)) cong viec toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh sinh) OR (hanh dinh)) ((vat nhung) OR (vai nhung)) cong viec toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - ((hanh sinh) or (hanh dinh)) ((vat nhung) OR (vai nhung)) cong viec toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh sinh) or (hanh dinh)) ((vat nhung) OR (vai nhung)) cong viec toan ban*.