Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
nhung cong » dung cong, thong cong, hang cong
hanh sinh » hanh tinh, hinh sinh, hanh chinh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
vat nhung » va nhung, vap nhung, vai nhung
viec tai » vien tai, lieu tai, viec lam
tai ban » tai san, tai ngan, tai benh

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 cong viec tai ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh sinh) OR (hanh dinh)) vat nhung cong viec tai ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh sinh) or (hanh dinh)) vat nhung cong viec tai ban*.