Perhaps you should try some spelling variations:
"nhung thoi luan van. hoc dung hoc mot" » "nhung thi luan van. hoc dung hoc mot", "phung thi luan van. hoc dung hoc mot", "nhung loi luan van. hoc dung hoc mot", "nhung hoi luan van. hoc dung hoc mot", "nhung thai luan van. hoc dung hoc mot", "nhung thoi luan van. hoc ung hoc mot", "nhung thoi luan van. hoc dan hoc mot", "nhung thoi luan van. tac dung hoc mot", "nhung thoi luan van. hoc dong hoc mot", "nhung thoi luan van. hoc dung thuoc mot", "nhung thoi luan van. hoc trung hoc mot", "nhung thoi luan van. hoc dung hoc moi"
"nhung thoi qua van. boi duong uoc mo" » "nhung thi qua van. boi duong uoc mo", "phung thi qua van. boi duong uoc mo", "nhung loi qua van. boi duong uoc mo", "nhung thoi qua van. hai duong uoc mo", "nhung thoi qua van. doi tuong uoc mo", "nhung thoi qua van. con duong uoc mo", "nhung thoi qua van. boi huong uoc mo", "nhung thoi qua van. boi duong hoc mo", "nhung thoi qua van. boi duong nguoc mo", "nhung hoi qua van. boi duong uoc mo", "nhung thoi rua van. boi duong uoc mo", "nhung thoi xua van. boi duong uoc mo", "nhung thoi quan van. boi duong uoc mo", "nhung thoi qua ban. boi duong uoc mo", "nhung thoi qua san. boi duong uoc mo"

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