Perhaps you should try some spelling variations:
"nhung khoa luan van. noi dung hoc mot" » "chung khoa luan van. noi dung hoc mot", "nhung khia luan van. noi dung hoc mot", "nhung kho luan van. noi dung hoc mot", "nhung khoa luan van. hoc dung hoc mot", "nhung khoa luan van. noi dong hoc mot", "nhung khoa luan van. noi dung thuoc mot", "nhung khoa luan van. noi trung hoc mot", "nhung khoa quan van. noi dung hoc mot", "nhung khoa lan van. noi dung hoc mot"
"nhung thi quen vang. nguoi muong hoc moi" » "nhung thoi quen vang. nguoi muong hoc moi", "phung thi quen vang. nguoi muong hoc moi", "nhung tri quen vang. nguoi muong hoc moi", "nhung thi quan van. nguoi muong hoc moi", "nhung thi que van. nguoi muong hoc moi", "nhung thi que lang. nguoi muong hoc moi", "nhung thi quen vang. nguoi duong hoc moi", "nhung thi quen vang. nguoi tuong hoc moi", "nhung thi quen vang. nguoi muong hoa moi", "nhung thi quan vang. nguoi muong hoc moi", "nhung thi huyen vang. nguoi muong hoc moi", "nhung thi quen vang. nguoi muong hoc noi"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nhung khoa luan van. noi dung hoc mot") or ("nhung thi quen vang. nguoi muong hoc moi"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung khoa luan van. noi dung hoc mot") OR ("nhung thi quen vang. nguoi muong hoc moi")).
• Removing quotes may allow a broader search: (( nhung khoa luan van. noi dung hoc mot ) or ( nhung thi quen vang. nguoi muong hoc moi )).
• Adding a wildcard symbol may retrieve word variants: (("nhung khoa luan van. noi dung hoc mot") or ("nhung thi quen vang. nguoi muong hoc moi"))*.