Perhaps you should try some spelling variations:
thanh doan » thanh toan, thinh doan, thanh loan
phung cong » nhung cong, phong cong, nhung chong
doan tuan » doan quan, doanh luan, doan quang
hung cong » nhung cong, hung cuong, dung cong
chi hanh » chi nhanh, chi thanh, thi hanh
tang van » dang van, hoang van, trong van
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi hanh - thanh doan tuan ((hung cong) OR (phung cong)) tang van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi hanh - thanh doan tuan ((hung cong) OR (phung cong)) tang van ban*".