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 duoc kinh doanh luan van", "chien cuoc kinh doanh luan van", "chien luc kinh doanh luan van", "chien luoc dinh doanh luan van", "chien luoc minh doanh luan van"
"chuan quoc danh doanh luan van" » "chuan quoc danh doanh nhan van", "han quoc danh doanh luan van", "cua quoc danh doanh luan van", "phan quoc danh doanh luan van", "chuan quoc doanh doanh luan van", "chuan quoc hanh doanh luan van", "chuan quoc van doanh luan van", "chuan quoc khanh doanh luan van", "chuan cuon danh doanh luan van", "chuan hoc danh 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 ("chuan quoc danh doanh luan van"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("chien luoc kinh doanh luan van") OR ("chuan quoc danh doanh luan van"))*.
• Removing quotes may allow a broader search: (( chien luoc kinh doanh luan van ) or ( chuan quoc danh doanh luan van ))*.