Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, cong tan
thanh tran » thanh trang, thanh toan, thanh tra
tran manh » tran minh, tran thanh, tran van
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va phuong, he thong, va cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - canh tranh ((va thong) or (va thuong)) cong thanh tran manh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh ((va thong) OR (va thuong)) cong thanh tran manh.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh ((va thong) or (va thuong)) cong thanh tran manh*.