Perhaps you should try some spelling variations:
"nhung thoi quen vang. doi tuong hoi o" » "nhung thi quen vang. doi tuong hoi o", "phung thi quen vang. doi tuong hoi o", "nhung tri quen vang. doi tuong hoi o", "nhung thoi quan van. doi tuong hoi o", "nhung thoi que van. doi tuong hoi o", "nhung thoi quen hanh. doi tuong hoi o", "nhung thoi quen vang. moi truong hoi o", "nhung thoi quen vang. doi song hoi o", "nhung thoi quen vang. doi truong hoi o", "nhung thoi quen vang. doi tuong ho o", "nhung thoi quen vang. doi duong hoi o", "nhung thoi quen vang. doi tuong hoi co", "nhung thoi quen vang. doi tuong hoi _", "nhung thoi quen vang. doi tuong hoc o"
"nhung loi que lang. noi dung hoc mo" » "nhung bai que lang. noi dung hoc mo", "nhung bi que lang. noi dung hoc mo", "nhung gi que lang. noi dung hoc mo", "nhung loi quet lang. noi dung hoc mo", "nhung loi quan lang. noi dung hoc mo", "nhung loi que quang. noi dung hoc mo", "nhung loi que lang. hoc dung hoc mo", "nhung loi que lang. noi dong hoc mo", "nhung loi que lang. noi dung thuoc mo", "nhung loi que lang. noi trung hoc mo", "nhung loi que lang. noi dung hoc moi", "nhung loi que lang. noi dung hoc mot", "nhung loi que lang. noi dung hoc mon"

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 thoi quen vang. doi tuong hoi o") or ("nhung loi que lang. noi dung hoc mo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thoi quen vang. doi tuong hoi o") OR ("nhung loi que lang. noi dung hoc mo")).
• Removing quotes may allow a broader search: (( nhung thoi quen vang. doi tuong hoi o ) or ( nhung loi que lang. noi dung hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi quen vang. doi tuong hoi o") or ("nhung loi que lang. noi dung hoc mo"))*.