Perhaps you should try some spelling variations:
"phung thi quyet van. nguoi thuong hoa co" » "phung thi quyet van. nguoi thong hoa co", "phung thi quyet van. nguoi muong hoa co", "phung thi quyet van. ngoai thuong hoa co", "phung thi quyet van. nguoi huong hoa co", "phung thi quyet van. nguoi phuong hoa co", "phung thi quyet van. nguoi thuong ho co", "phung thi tuyet van. nguoi thuong hoa co", "phung toi quyet van. nguoi thuong hoa co", "phung theo quyet van. nguoi thuong hoa co"
"nhung bai luan van. noi dung thuoc mo" » "nhung bai toan van. noi dung thuoc mo", "nhung li luan van. noi dung thuoc mo", "nhung vay luan van. noi dung thuoc mo", "nhung bai luan van. hoc dung thuoc mo", "nhung bai luan van. noi dung thuoc moi", "nhung bai luan van. noi dung thuoc ma", "nhung bai luan van. noi dung thuoc bo"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("nhung bai luan van. noi dung thuoc mo") or ("phung thi quyet van. nguoi thuong hoa co"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung bai luan van. noi dung thuoc mo") OR ("phung thi quyet van. nguoi thuong hoa co")).
• Removing quotes may allow a broader search: (( nhung bai luan van. noi dung thuoc mo ) or ( phung thi quyet van. nguoi thuong hoa co )).
• Adding a wildcard symbol may retrieve word variants: (("nhung bai luan van. noi dung thuoc mo") or ("phung thi quyet van. nguoi thuong hoa co"))*.