Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
tong cong » trong cong, cong cong, dung cong
doan phan » doanh phan, toan phan, doanh nhan
trinh va » trinh van, trinh vat, trinh ve
dan phan » dan chan, van phan, dam phan
va tong » va thong, va tuong, va trong

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 xanh) or (chinh sach)) - canh trinh va tong cong ((dan phan) or (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - canh trinh va tong cong ((dan phan) OR (doan phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - canh trinh va tong cong ((dan phan) or (doan phan)) cau*.