Perhaps you should try some spelling variations:
"nhung thi gian lang. doi tuong hoc mo" » "nhung thoi gian lang. doi tuong hoc mo", "phung thi gian lang. doi tuong hoc mo", "nhung tri gian lang. doi tuong hoc mo", "nhung thi gian dan. doi tuong hoc mo", "nhung thi gian lang. moi truong hoc mo", "nhung thi gian lang. doi song hoc mo", "nhung thi gian lang. doi truong hoc mo", "nhung thi gian lang. doi tuong ho mo", "nhung thi gian lang. doi duong hoc mo", "nhung thi giang lang. doi tuong hoc mo", "nhung toi gian lang. doi tuong hoc mo", "nhung thi gian lang. doi tuong hoc moi", "nhung thi gian lang. doi tuong hoc mot", "nhung thi gian lang. doi tuong hoc mon"
"nhung loi que quang. dai cuong hoc mo" » "nhung bai que quang. dai cuong hoc mo", "nhung bi que quang. dai cuong hoc mo", "nhung gi que quang. dai cuong hoc mo", "nhung loi hue quang. dai cuong hoc mo", "nhung loi qua quang. dai cuong hoc mo", "nhung loi quan quang. dai cuong hoc mo", "nhung loi que quang. tai cong hoc mo", "nhung loi que quang. dai duong hoc mo", "nhung loi que quang. dai truong hoc mo", "nhung loi que quang. dai thuong hoc mo", "nhung loi que quang. dai cuong hoc moi", "nhung loi que quang. dai cuong hoc mot", "nhung loi que quang. dai cuong 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 thi gian lang. doi tuong hoc mo") or ("nhung loi que quang. dai cuong hoc mo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thi gian lang. doi tuong hoc mo") OR ("nhung loi que quang. dai cuong hoc mo")).
• Removing quotes may allow a broader search: (( nhung thi gian lang. doi tuong hoc mo ) or ( nhung loi que quang. dai cuong hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thi gian lang. doi tuong hoc mo") or ("nhung loi que quang. dai cuong hoc mo"))*.