Perhaps you should try some spelling variations:
chon chinh » thon chinh, chinh chinh, thong chinh
hanh tranh » canh tranh, hanh trinh, hanh trang
cho chinh » che chinh, cuoc chinh, thon chinh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((chon chinh) or (cho chinh)) sach - hanh tranh ((cua thong) OR (cua khong)) cong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chon chinh) OR (cho chinh)) sach - hanh tranh ((cua thong) OR (cua khong)) cong van tuan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chon chinh) or (cho chinh)) sach - hanh tranh ((cua thong) OR (cua khong)) cong van tuan cao*".