Perhaps you should try some spelling variations:
"nhung thi xuan luan. noi dung hoc moi" » "nhung thoi xuan luan. noi dung hoc moi", "phung thi xuan luan. noi dung hoc moi", "nhung tri xuan luan. noi dung hoc moi", "nhung thi quan luan. noi dung hoc moi", "nhung thi xuan tuan. noi dung hoc moi", "nhung thi xuan luong. noi dung hoc moi", "nhung thi xa luan. noi dung hoc moi", "nhung thi lan luan. noi dung hoc moi", "nhung thi xuan luan. hoc dung hoc moi", "nhung thi xuan luan. noi dong hoc moi", "nhung thi xuan luan. noi dung thuoc moi", "nhung thi xuan luan. noi trung hoc moi", "nhung thi xuan luan. noi dung hoc noi"
"nhung si quyet van. hoc cong hoa mo" » "nhung bi quyet van. hoc cong hoa mo", "nhung gi quyet van. hoc cong hoa mo", "nhung su quyet van. hoc cong hoa mo", "nhung si quyen van. hoc cong hoa mo", "nhung toi quyet van. hoc cong hoa mo", "nhung si quyet van. hoc co hoa mo", "nhung si quyet van. cac cong hoa mo", "nhung si quyet van. hoc dung hoa mo", "nhung si quyet van. hoc dong hoa mo", "nhung si quyet van. hoc dong hoc mo", "nhung si quyet van. hoc hang hoa mo", "nhung si quyet van. hoc cong hoa moi", "nhung si quyet van. hoc cong hoa mot", "nhung si quyet van. hoc cong hoa co"

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 xuan luan. noi dung hoc moi") or ("nhung si quyet van. hoc cong hoa mo"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thi xuan luan. noi dung hoc moi") OR ("nhung si quyet van. hoc cong hoa mo")).
• Removing quotes may allow a broader search: (( nhung thi xuan luan. noi dung hoc moi ) or ( nhung si quyet van. hoc cong hoa mo )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thi xuan luan. noi dung hoc moi") or ("nhung si quyet van. hoc cong hoa mo"))*.