Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
ho chinh » hoc chinh, cho chinh, hoa chinh
va thong » va thuong, va phuong, he thong
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - ((hanh tranh) or (hanh trinh)) va thong cong ((van toan) OR (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - ((hanh tranh) OR (hanh trinh)) va thong cong ((van toan) OR (van tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - ((hanh tranh) or (hanh trinh)) va thong cong ((van toan) OR (van tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - ((hanh tranh) or (hanh trinh)) va thong cong ((van toan) OR (van tuan)) ban*.