Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
trinh van » trinh han, trinh quan, trinh toan
van thanh » ban thanh, van tuan
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - canh trinh van thanh cong doan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh trinh van thanh cong doan phan tu~".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh trinh van thanh cong doan phan tu*.