Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
dung cong » dung trong
van thanh » ban thanh, van tuan
thanh ban » thanh san, thanh van, thanh bac
trinh vi » trinh va, trinh ve, trinh viet
cong van » cong vang, cong san, song van
vi dung » va dung, vi ung, vi dong

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

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