Perhaps you should try some spelling variations:
thong chinh » thuong chinh, hong chinh, thon chinh
hanh tranh » canh tranh, hanh trinh, hanh trang
cua truong » cua trung, xuan truong, cac truong
cho chinh » chon chinh, che chinh, cuoc chinh
cua trong » cua trung, qua trong, ca trong
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: ((thong chinh) or (cho chinh)) sach - hanh tranh ((cua trong) OR (cua truong)) cong van tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thong chinh) OR (cho chinh)) sach - hanh tranh ((cua trong) OR (cua truong)) cong van tuan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thong chinh) or (cho chinh)) sach - hanh tranh ((cua trong) OR (cua truong)) cong van tuan cao*".