Perhaps you should try some spelling variations:
"nhung thoi luan van. noi dung tri mot" » "nhung thi luan van. noi dung tri mot", "phung thi luan van. noi dung tri mot", "nhung loi luan van. noi dung tri mot", "nhung hoi luan van. noi dung tri mot", "nhung thai luan van. noi dung tri mot", "nhung thoi luan van. hoc dung tri mot", "nhung thoi luan van. noi dung tai mot", "nhung thoi luan van. noi dung tren mot", "nhung thoi luan van. noi dung sai mot"
"hung thai quang van. noi duong hoi mot" » "hung tai quang van. noi duong hoi mot", "hung thac quang van. noi duong hoi mot", "hung than quang van. noi duong hoi mot", "hong thai quang van. noi duong hoi mot", "hung hai quang van. noi duong hoi mot", "hung thang quang van. noi duong hoi mot", "hung thai quang ban. noi duong hoi mot", "hung thai quan van. noi duong hoi mot", "hung thai quang uan. noi duong hoi mot", "hung thai quang van. nuoi duong hoi mot", "hung thai quang van. boi duong hoi mot", "hung thai quang van. soi duong hoi mot", "hung thai quang van. noi duong loi mot", "hung thai quang van. noi dong hoi mot", "hung thai quang van. noi duong noi mot", "hung thai quang van. noi duong hoc mot", "hung thai quang van. noi duong hoa mot", "hung thai quang van. noi duong hop mot"

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