Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua nang » chuc nang, chua xang, kha nang
nhan dang » nhan dan, phan dang, tran dang
van trong » van truong, vang trong, ban trong
cong vang » cong lang, cong quang, cong ngang
vang tan » van tan, tang tan, vang tao
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)) - ((nhanh lang) OR (nhan dang)) van trong cong vang tan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua nang)) - ((nhanh lang) OR (nhan dang)) van trong cong vang tan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc danh) or (chua nang)) - ((nhanh lang) OR (nhan dang)) van trong cong vang tan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chua nang)) - ((nhanh lang) OR (nhan dang)) van trong cong vang tan tap*.