Perhaps you should try some spelling variations:
"cong trinh luan van thi cong pham thuong" » "cong trinh luan van thi cong phan thuong", "cong trinh luan van thi cong pham hong", "cong trinh luat van thi cong pham thuong", "cong trinh quan van thi cong pham thuong", "cong trinh han van thi cong pham thuong", "cong trinh luan van thi chong phap thuong", "cong trinh luan van thi cong ha thuong", "cong trinh luan van tai cong pham thuong", "cong trinh luan van thien cong pham thuong", "cong trinh luan dan thi cong pham thuong", "cong trinh luan van thu cong pham thuong"
"cong trinh luan van thi cong luat thuong" » "cong trinh luat van thi cong luat thuong", "cong trinh quan van thi cong luat thuong", "cong trinh han van thi cong luat thuong", "cong trinh luan van thi cong suat thuong", "cong trinh luan van thi cong luan thuong", "cong trinh luan van thi cuong luan thuong", "cong trinh luan van tai cong luat thuong", "cong trinh luan van thien cong luat thuong", "cong trinh luan dan thi cong luat thuong", "cong trinh luan van thu cong luat thuong"

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: (("cong trinh luan van thi cong pham thuong") or ("cong trinh luan van thi cong luat thuong"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cong trinh luan van thi cong pham thuong") OR ("cong trinh luan van thi cong luat thuong")).
• Removing quotes may allow a broader search: (( cong trinh luan van thi cong pham thuong ) or ( cong trinh luan van thi cong luat thuong )).
• Adding a wildcard symbol may retrieve word variants: (("cong trinh luan van thi cong pham thuong") or ("cong trinh luan van thi cong luat thuong"))*.