Perhaps you should try some spelling variations:
"nhung thoi quyet van. boi dong hoc ma" » "nhung thi quyet van. boi dong hoc ma", "phung thi quyet van. boi dong hoc ma", "nhung loi quyet van. boi dong hoc ma", "nhung toi quyet van. boi dong hoc ma", "nhung theo quyet van. boi dong hoc ma", "nhung thoi quen van. boi dong hoc ma", "nhung thoi quyet van. hoi dong hoc ma", "nhung thoi quyet van. bi dong hoc ma", "nhung thoi quyet van. loi dong hoc ma", "nhung thoi quyet van. boi dong co ma", "nhung thoi quyet van. boi dong luc ma"
"nhung thoi luan van. boi duong hoc mot" » "nhung thi luan van. boi duong hoc mot", "phung thi luan van. boi duong hoc mot", "nhung loi luan van. boi duong hoc mot", "nhung hoi luan van. boi duong hoc mot", "nhung thai luan van. boi duong hoc mot", "nhung thoi luan van. hai duong hoc mot", "nhung thoi luan van. doi tuong hoc mot", "nhung thoi luan van. con duong hoc mot", "nhung thoi luan van. boi dung hoc mot", "nhung thoi luan van. boi duong hoi mot", "nhung thoi luan van. boi duong ho mot", "nhung thoi luan van. boi duong hoc moi"

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