Perhaps you should try some spelling variations:
hien hanh » dieu hanh
nang luan » tang luan, hang luan, nang quan
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
anh nang » ganh nang, anh bang, anh dang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 hanh - anh nang luan hung cong van toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - anh nang luan hung cong van toan ban*.