Perhaps you should try some spelling variations:
"nhung tri luan van. hoi dong hoc mo" » "nhung bai luan van. hoi dong hoc mo", "dung tri luan van. hoi dong hoc mo", "nhung bi luan van. hoi dong hoc mo", "nhung tri quan van. hoi dong hoc mo", "nhung thi luan van. hoi dong hoc mo", "nhung tri tuan van. hoi dong hoc mo", "nhung tri luan van. hop dong hoc mo", "nhung tri luan van. hoat dong hoc mo", "nhung tri luan van. ha dong hoc mo", "nhung tri luan van. hoi dong co mo", "nhung tri luan van. hoi dong luc mo", "nhung tri luan van. hoi dong hoc moi", "nhung tri luan van. hoi dong hoc mot", "nhung tri luan van. hoi dong hoc mon"
"phung thi dua van. con duong uoc mo" » "phung thi dua van. van duong uoc mo", "phung thi dua van. con huong uoc mo", "phung thi dua van. con duong hoc mo", "phung thi dua van. con duong nguoc mo", "phung thi dung van. con duong uoc mo", "phung thi duy van. con duong uoc mo", "phung thi dua vao. con duong uoc mo", "phung thi duc van. con duong uoc mo"

You may be able to get more results by adjusting your search query.

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