Perhaps you should try some spelling variations:
"chien luoc kinh doanh luan van" » "chien luoc kinh doanh nhan van", "hien luoc kinh doanh luan van", "thien luoc kinh doanh luan van", "chien quoc kinh doanh luan van", "chien duoc kinh doanh luan van", "chien cuoc kinh doanh luan van", "chien luoc dinh doanh luan van", "chien luoc minh doanh luan van"
"chuyen mon danh doanh luan van" » "chuyen mon danh doanh nhan van", "chuyen doi danh doanh luan van", "chuyen mon doanh doanh luan van", "chuyen mon hanh doanh luan van", "chuyen mon van doanh luan van", "chuyen mo danh doanh luan van", "chuyen minh danh doanh luan van", "chuyen von doanh doanh luan van"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("chien luoc kinh doanh luan van") or ("chuyen mon danh doanh luan van"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("chien luoc kinh doanh luan van") OR ("chuyen mon danh doanh luan van"))*.
• Removing quotes may allow a broader search: (( chien luoc kinh doanh luan van ) or ( chuyen mon danh doanh luan van ))*.