Perhaps you should try some spelling variations:
hoan chinh » hanh chinh, hoa hinh
nhung cong » dung cong, thong cong, hang cong
chang doan » chan doan, chuan doan, cong doan
tranh cua » manh cua
doanh cua » doanh luan
san chang » ban hang, dan chan, van khang
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoan chinh sach - hanh ((tranh cua) OR (doanh cua)) nhung cong san chang doan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoan chinh sach - hanh ((tranh cua) OR (doanh cua)) nhung cong san chang doan".
• Adding a wildcard symbol may retrieve word variants: hoan chinh sach - hanh ((tranh cua) OR (doanh cua)) nhung cong san chang doan*.