Perhaps you should try some spelling variations:
"nhung thoi luan van. doi tuong ho mo" » "nhung thi luan van. doi tuong ho mo", "nhung loi luan van. doi tuong ho mo", "nhung tri luan van. doi tuong ho mo", "nhung hoi luan van. doi tuong ho mo", "nhung thai luan van. doi tuong ho mo", "nhung thoi luan van. moi truong ho mo", "nhung thoi luan van. doi song ho mo", "nhung thoi luan van. doi tong hop mo", "nhung thoi luan van. doi tuong ho mon", "nhung thoi luan van. doi tuong hoc mo", "nhung thoi luan van. doi tuong ho so"
"phung thi que van. boi duong hoi o" » "phung thi que van. hai duong hoi o", "phung thi que van. con duong hoi o", "phung thi que van. noi dung hoi o", "phung thi que van. boi duong loi o", "phung thi que van. boi dong hoi o", "phung thi que van. boi duong noi o", "phung thi hue van. boi duong hoi o", "phung thi quy van. boi duong hoi o", "phung nghi que van. boi duong hoi o", "phung thi qua van. boi duong hoi o", "phung thi quyet van. boi duong hoi o", "phung thi que van. boi duong hoi co", "phung thi que van. boi duong hoi _", "phung thi que van. boi duong hoc o"

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. doi tuong ho mo") or ("phung thi que van. boi duong hoi o"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thoi luan van. doi tuong ho mo") OR ("phung thi que van. boi duong hoi o")).
• Removing quotes may allow a broader search: (( nhung thoi luan van. doi tuong ho mo ) or ( phung thi que van. boi duong hoi o )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi luan van. doi tuong ho mo") or ("phung thi que van. boi duong hoi o"))*.