Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua nang » chuc nang, chua xang, kha nang
nhan dang » nhan dan, tran dang
phan dang » phan dau, phan cong, nhan dan
van nhung » van nhuong, va nhung, van hung
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan tap » toan tap, han tap, tan tat

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 (chua nang)) - ((nhan dang) OR (phan dang)) van nhung cong van tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua nang)) - ((nhan dang) OR (phan dang)) van nhung cong van tan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc danh) or (chua nang)) - ((nhan dang) OR (phan dang)) van nhung cong van tan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chua nang)) - ((nhan dang) OR (phan dang)) van nhung cong van tan tap*.