Perhaps you should try some spelling variations:
hoan chinh » hanh chinh, hoa hinh
hanh tranh » canh tranh, hanh trinh, hanh trang
khang doan » chan doan, khang chan, khanh toan
hang doanh » hanh doanh, nhung doanh, van doanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van

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 dung cong van ((khang doan) or (hang doanh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoan chinh sach - hanh tranh cua dung cong van ((khang doan) OR (hang doanh)).
• Adding a wildcard symbol may retrieve word variants: hoan chinh sach - hanh tranh cua dung cong van ((khang doan) or (hang doanh))*.