Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chu manh » ho manh, chu han, chu van
trung va » truong va, trang va, trung ha
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chuc danh) or (chu manh)) - thanh trung va nhung cong ((dan toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chu manh)) - thanh trung va nhung cong ((dan toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chu manh)) - thanh trung va nhung cong ((dan toan) or (van toan)) cau*.