Perhaps you should try some spelling variations:
"nhung thoi luan van. noi dung co mo" » "nhung thi luan van. noi dung co mo", "phung thi luan van. noi dung co mo", "nhung tri luan van. noi dung co mo", "nhung hoi luan van. noi dung co mo", "nhung thai luan van. noi dung co mo", "nhung thoi luan van. noi dung cho mo", "nhung thoi luan van. noi dung cong mo", "nhung thoi luan van. noi dung cua mo", "nhung thoi luan van. noi dung co mot", "nhung thoi luan van. noi dung co so", "nhung thoi luan van. noi dung co ma"
"nhung loi quan van. hoc dung thuoc mo" » "nhung bai quan van. hoc dung thuoc mo", "nhung bi quan van. hoc dung thuoc mo", "nhung gi quan van. hoc dung thuoc mo", "nhung moi quan van. hoc dung thuoc mo", "nhung noi quan van. hoc dung thuoc mo", "nhung loi nhuan van. hoc dung thuoc mo", "nhung loi quan va. hoc dung thuoc mo", "nhung loi quan luan. hoc dung thuoc mo", "nhung loi quan doan. hoc dung thuoc mo", "nhung loi quan van. hoc ung thuoc mo", "nhung loi quan van. hoc dan thuoc mo", "nhung loi quan van. tac dung thuoc mo", "nhung loi quan van. hoc dung thuoc moi", "nhung loi quan van. hoc dung thuoc ma", "nhung loi quan van. hoc dung thuoc bo"

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