Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chinh » do chinh, tai chinh, hoc chinh
hang cong » dang cong, hang nong, thanh cong
trinh ve » trinh he, trinh va, trinh vi
cong san » cong tac
san chan » san chang, dan chan, san chay
ve hang » ve hoang, ve chang, va hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chinh sach - hanh trinh ve hang cong san chan (doan OR dan)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chinh sach - hanh trinh ve hang cong san chan (doan OR dan)".
• Adding a wildcard symbol may retrieve word variants: doi chinh sach - hanh trinh ve hang cong san chan (doan OR dan)*.