Perhaps you should try some spelling variations:
"nhung thoi luan van. boi dung hoc mot" » "nhung thi luan van. boi dung hoc mot", "phung thi luan van. boi dung hoc mot", "nhung loi luan van. boi dung hoc mot", "nhung hoi luan van. boi dung hoc mot", "nhung thai luan van. boi dung hoc mot", "nhung thoi luan van. boi duong hoc mot", "nhung thoi luan van. noi dung hoc mot", "nhung thoi luan van. hoi dung hoc mot", "nhung thoi luan van. boi dung thuoc mot", "nhung thoi luan van. boi trung hoc mot", "nhung thoi luan van. boi dung khoa mot", "nhung thoi luan van. boi dung hoc moi", "nhung thoi luan van. boi dung hoc moit", "nhung thoi luan van. boi dung hoc mont", "nhung thoi luan van. boi dung hoc mat"
"nhung kho quyet van. bi dong hoc mo" » "nhung nho quyet van. bi dong hoc mo", "nhung khuc quyet van. bi dong hoc mo", "nhung kham quyet van. bi dong hoc mo", "nhung theo quyet van. bi dong hoc mo", "nhung khai quyet van. bi dong hoc mo", "nhung khi quyen van. bi dong hoc mo", "nhung kho quyet van. bi dong co mo", "nhung kho quyet van. bi dong luc mo", "nhung kho quyet van. bi cong hoc mo", "nhung kho quyet van. di dong hoc mo", "nhung kho quyet van. bien dong hoc mo", "nhung kho quyet van. bi dong hoc moi", "nhung kho quyet van. bi dong hoc mon", "nhung kho quyet van. bi dong hoc ma"

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: (("nhung kho quyet van. bi dong hoc mo") or ("nhung thoi luan van. boi dung hoc mot"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung kho quyet van. bi dong hoc mo") OR ("nhung thoi luan van. boi dung hoc mot")).
• Removing quotes may allow a broader search: (( nhung kho quyet van. bi dong hoc mo ) or ( nhung thoi luan van. boi dung hoc mot )).
• Adding a wildcard symbol may retrieve word variants: (("nhung kho quyet van. bi dong hoc mo") or ("nhung thoi luan van. boi dung hoc mot"))*.