Perhaps you should try some spelling variations:
hoan chinh » hanh chinh, hoa hinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
san chang » ban hang, dan chan, van khang
cua dung » cua dang, cua dong, qua dung
san chan » dan chan, san chay, ban chan

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