Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu sach » chinh sach, chiet tach, chieu sang
hanh luong » hang luong, thanh huong, thanh cuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trong van » trong cac
van hanh » van thanh, ban hanh, van anh
luong va » dung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) or (chieu sach)) - thanh trong van hanh luong va van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu sach)) - thanh trong van hanh luong va van ban.
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (chieu sach)) - thanh trong van hanh luong va van ban*.