Perhaps you should try some spelling variations:
"trieu ki nang van chinh doanh" » "trieu ki nang va chinh doanh", "trieu ki nang lan chinh doanh", "trieu ki nang van thinh doanh", "trieu vi nang van chinh doanh", "trieu kien nang van chinh doanh", "trieu thi nang van chinh doanh", "trieu ki dang van chinh doanh", "trieu ki lang van chinh doanh", "trieu ki nong van chinh doanh", "trieu ky nang van chinh doanh"
"trieu ki tang van kinh doanh" » "trieu vi tang van kinh doanh", "trieu kien tang van kinh doanh", "trieu thi tang van kinh doanh", "trieu ki dang van kinh doanh", "trieu ki hoang van kinh doanh", "trieu ki trong van kinh doanh", "trieu ki tang va kinh doanh", "trieu ki tang van minh doanh", "trieu ki tang van dinh doanh", "trieu ky tang van kinh doanh", "trieu kho tang van kinh doanh", "trieu gia tang van kinh doanh"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("trieu ki tang van kinh doanh") or ("trieu ki nang van chinh doanh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("trieu ki tang van kinh doanh") OR ("trieu ki nang van chinh doanh")).
• Removing quotes may allow a broader search: (( trieu ki tang van kinh doanh ) or ( trieu ki nang van chinh doanh )).
• Adding a wildcard symbol may retrieve word variants: (("trieu ki tang van kinh doanh") or ("trieu ki nang van chinh doanh"))*.