Perhaps you should try some spelling variations:
"phung thi quyen van. hoc dung uoc mo" » "phung thi huyen van. hoc dung uoc mo", "phung thi xuyen van. hoc dung uoc mo", "phung thi tuyen van. hoc dung uoc mo", "phung thi quyet van. hoc dung uoc mo", "phung thi nguyen van. hoc dung uoc mo", "phung thi quyen van. hoc ung uoc mo", "phung thi quyen van. hoc dan uoc mo", "phung thi quyen van. hoc cong uoc mo", "phung thi quyen van. hoc dung quoc mo", "phung thi quyen van. hoc dung coc mo", "phung thi quyen van. hoc dung thuoc mo", "phuong thi quyen van. hoc dung uoc mo", "chung thi quyen van. hoc dung uoc mo", "phong thi quyen van. hoc dung uoc mo"
"nhung thi luan van. tac dung hoc mot" » "nhung thoi luan van. tac dung hoc mot", "nhung tri luan van. tac dung hoc mot", "nhung chi luan van. tac dung hoc mot", "nhung thi lan van. tac dung hoc mot", "nhung thi xuan van. tac dung hoc mot", "nhung thi loan van. tac dung hoc mot", "nhung thi luan van. sach dung hoc mot", "nhung thi luan van. xay dung hoc mot", "nhung thi luan van. tin dung hoc mot", "nhung thi luan van. tac dong hoc mot", "nhung thi luan van. tac dung thuoc mot", "nhung thi luan van. tac trung hoc mot", "nhung thi luan van. tac dung 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: (("phung thi quyen van. hoc dung uoc mo") or ("nhung thi luan van. tac dung hoc mot"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("phung thi quyen van. hoc dung uoc mo") OR ("nhung thi luan van. tac dung hoc mot")).
• Removing quotes may allow a broader search: (( phung thi quyen van. hoc dung uoc mo ) or ( nhung thi luan van. tac dung hoc mot )).
• Adding a wildcard symbol may retrieve word variants: (("phung thi quyen van. hoc dung uoc mo") or ("nhung thi luan van. tac dung hoc mot"))*.