Perhaps you should try some spelling variations:
"thuc hanh trinh nghien luan hoc" » "thuc hanh trinh nghe luan hoc", "thuc hanh kinh nghiem luan hoc", "thuc hanh trinh thiet luan hoc", "thuc hanh trinh nghiep luan hoc", "thuc hanh trinh nghiep quan hoc", "thuc hanh trinh ngheo luan hoc", "thuc canh tranh nghien luan hoc", "thuc hanh chinh nghien luan hoc", "thuc hanh trinh nghien luan hoan", "thuc hanh trinh nghien quang hoc", "thuc hanh trinh nghien luan khoa"
"tu sach trach nhiem dai hoc" » "tu sach trac nghiem dai hoc", "tu sach tranh nhiem dai hoc", "tu sach truc nhiem dai hoc", "tu sat trach nhiem dai hoc", "tu sach trach nhien dai hoc", "tu sach trach nhiem tai hoc", "tu sach trach nghiep dai hoc", "thu sach trach nhiem dai hoc", "su sach trach nhiem dai hoc", "te sach trach nhiem dai hoc"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("tu sach trach nhiem dai hoc") or ("thuc hanh trinh nghien luan hoc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tu sach trach nhiem dai hoc") OR ("thuc hanh trinh nghien luan hoc")).
• Removing quotes may allow a broader search: (( tu sach trach nhiem dai hoc ) or ( thuc hanh trinh nghien luan hoc )).
• Adding a wildcard symbol may retrieve word variants: (("tu sach trach nhiem dai hoc") or ("thuc hanh trinh nghien luan hoc"))*.