Perhaps you should try some spelling variations:
"trien chi luan van kinh doanh" » "trien thi luan van kinh doanh", "trien khai luan van kinh doanh", "trien he luan van kinh doanh", "trien chi luan va kinh doanh", "trien chi luan van minh doanh", "trien chi luan van dinh doanh", "trien chi xuan van kinh doanh", "trien phi luan van kinh doanh", "trien chinh luan van kinh doanh"
"trieu thi luan van kinh doanh" » "trieu thi lan van kinh doanh", "trieu thi xuan van kinh doanh", "trieu thi loan van kinh doanh", "trieu thi luan va kinh doanh", "trieu thi luan van minh doanh", "trieu thi luan van dinh doanh", "thieu thi luan van kinh doanh", "tieu thi luan 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 thi luan van kinh doanh") or ("trien chi luan van kinh doanh"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("trieu thi luan van kinh doanh") OR ("trien chi luan van kinh doanh")).
• Removing quotes may allow a broader search: (( trieu thi luan van kinh doanh ) or ( trien chi luan van kinh doanh )).
• Adding a wildcard symbol may retrieve word variants: (("trieu thi luan van kinh doanh") or ("trien chi luan van kinh doanh"))*.