Perhaps you should try some spelling variations:
"nhung thoi luan van. hoc dung coc mo" » "nhung thi luan van. hoc dung coc mo", "nhung loi luan van. hoc dung coc mo", "nhung tri luan van. hoc dung coc mo", "nhung hoi luan van. hoc dung coc mo", "nhung thai luan van. hoc dung coc mo", "nhung thoi luan van. hoc ung coc mo", "nhung thoi luan van. hoc dan coc mo", "nhung thoi luan van. tac dung coc mo", "nhung thoi luan van. hoc dung co mo", "nhung thoi luan van. hoc dung hoc mo", "nhung thoi luan van. hoc dung cac mo", "nhung thoi luan van. hoc dung uoc mo"
"phung thi que van. noi dong hoc mot" » "phung thi que van. noi dung hoc mot", "phung thi que van. hoi dong hoc mot", "phung thi que van. noi cong hoc mot", "phung thi que van. noi dong co mot", "phung thi que van. noi dong luc mot", "phung thi hue van. noi dong hoc mot", "phung thi quy van. noi dong hoc mot", "phung nghi que van. noi dong hoc mot", "phung thi qua van. noi dong hoc mot", "phung thi quyet van. noi dong hoc mot", "phung thi que van. noi dong hoc moi"

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