Perhaps you should try some spelling variations:
"nhung thoi luan van. noi dung quoc mo" » "nhung thi luan van. noi dung quoc mo", "phung thi luan van. noi dung quoc mo", "nhung tri luan van. noi dung quoc mo", "nhung hoi luan van. noi dung quoc mo", "nhung thai luan van. noi dung quoc mo", "nhung thoi luan van. noi dang quoc mo", "nhung thoi luan van. noi dong quoc mo", "nhung thoi luan van. noi trung quoc mo", "nhung thoi luan van. noi dung quoc co", "nhung thoi luan van. noi dung quoc lo", "nhung thoi luan van. noi dung quoc o"
"nhung loi luan van. hoc dung uoc mo" » "nhung bai luan van. hoc dung uoc mo", "nhung bi luan van. hoc dung uoc mo", "nhung gi luan van. hoc dung uoc mo", "nhung li luan van. hoc dung uoc mo", "nhung hoi luan van. hoc dung uoc mo", "nhung loi lan van. hoc dung uoc mo", "nhung loi luan van. hoc ung uoc mo", "nhung loi luan van. hoc dan uoc mo", "nhung loi luan van. tac dung uoc mo", "nhung loi luan van. hoc dung hoc mo", "nhung loi luan van. hoc dung coc mo", "nhung loi luan van. hoc dung thuoc 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 loi luan van. hoc dung uoc mo") or ("nhung thoi luan van. noi dung quoc mo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung loi luan van. hoc dung uoc mo") OR ("nhung thoi luan van. noi dung quoc mo")).
• Removing quotes may allow a broader search: (( nhung loi luan van. hoc dung uoc mo ) or ( nhung thoi luan van. noi dung quoc mo )).
• Adding a wildcard symbol may retrieve word variants: (("nhung loi luan van. hoc dung uoc mo") or ("nhung thoi luan van. noi dung quoc mo"))*.