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 duy van. van duong uoc mo" » "phung thi duy van. van dong uoc mo", "phung thi duy van. van dung uoc mo", "phung thi duy van. van phong uoc mo", "phung thi duy van. van huong uoc mo", "phung thi duy van. van duong hoc mo", "phung thi duy van. van duong nguoc mo", "phung thi dua van. van duong uoc mo", "phung thi du van. van duong uoc mo", "phung thi quy van. van duong uoc mo", "phung thi duy vat. van duong uoc mo", "phung thi dung van. van 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 duy van. van duong uoc mo"))~.
• Removing quotes may allow a broader search: (( nhung tri luan van. hoi dong hoc mo ) or ( phung thi duy van. van duong uoc mo ))~.
• Adding a wildcard symbol may retrieve word variants: (("nhung tri luan van. hoi dong hoc mo") or ("phung thi duy van. van duong uoc mo"))*.