Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
nhung cong » dung cong, thong cong, hang cong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
van nhung » van nhuong, va nhung, van hung
lang van » dang van, tang van, hoang van
vang tan » van tan, tang tan, vang van
vang tao » sang tao, nang tao, hang tai

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