Perhaps you should try some spelling variations:
"nhung thoi luan van. noi dung uoc mo" » "nhung thi luan van. noi dung uoc mo", "phung thi luan van. noi dung uoc mo", "nhung loi luan van. noi dung uoc mo", "nhung thai luan van. noi dung uoc mo", "nhung thong luan van. noi dung uoc mo", "nhung thoa luan van. noi dung uoc mo", "nhung thoc luan van. noi dung uoc mo", "nhung tkhoa luan van. noi dung uoc mo", "nhung thoi luan van. hoc dung uoc mo", "nhung thoi luan van. noi dung quoc mo", "nhung thoi luan van. noi dung coc mo", "nhung thoi luan van. noi dung thuoc mo"
"nhung hoi luan van. noi dung hoc mo" » "nhung loi luan van. noi dung hoc mo", "nhung noi luan van. noi dung hoc mo", "nhung doi luan van. noi dung hoc mo", "nhung hoa luan van. noi dung hoc mo", "nhung hoc luan van. noi dung hoc mo", "nhung khoa luan van. noi dung hoc mo", "nhung hoi luan van. hoc dung hoc mo", "nhung hoi luan van. noi dong hoc mo", "nhung hoi luan van. noi dung thuoc mo", "nhung hoi luan van. noi trung hoc mo", "nhung hoi luan van. noi dung hoc moi", "nhung hoi luan van. noi dung hoc mot", "nhung hoi luan van. noi dung hoc mon"

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