Perhaps you should try some spelling variations:
"nhung thoi quyet van. bi dong hoc mon" » "nhung thi quyet van. bi dong hoc mon", "phung thi quyet van. bi dong hoc mon", "nhung loi quyet van. bi dong hoc mon", "nhung toi quyet van. bi dong hoc mon", "nhung theo quyet van. bi dong hoc mon", "nhung thoi quen van. bi dong hoc mon", "nhung thoi quyet van. bi dong co mon", "nhung thoi quyet van. bi dong luc mon", "nhung thoi quyet van. bi cong hoc mon", "nhung thoi quyet van. di dong hoc mon", "nhung thoi quyet van. bien dong hoc mon", "nhung thoi quyet van. bi dong hoc moi", "nhung thoi quyet van. bi dong hoc cong", "nhung thoi quyet van. bi dong hoc bong"
"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. bi dong hoc mon") 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. bi dong hoc mon") OR ("nhung thoi luan van. boi duong hoc mot")).
• Removing quotes may allow a broader search: (( nhung thoi quyet van. bi dong hoc mon ) or ( nhung thoi luan van. boi duong hoc mot )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi quyet van. bi dong hoc mon") or ("nhung thoi luan van. boi duong hoc mot"))*.