Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chu manh » ho manh, chu han, chu van
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chuc danh) OR (chu manh)) - canh tranh va nhung cong san toan tap~".
• Adding a wildcard symbol may retrieve word variants: cho ((chuc danh) OR (chu manh)) - canh tranh va nhung cong san toan tap*.