Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung doanh » trong doanh, trung thanh, dung doanh
chieu sach » chinh sach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau

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) OR (chiet tach)) - thanh trung doanh ((nhung cong) or (hang cong)) van phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh trung doanh ((nhung cong) OR (hang cong)) van phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - thanh trung doanh ((nhung cong) or (hang cong)) van phan dau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - thanh trung doanh ((nhung cong) or (hang cong)) van phan dau*.