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