Perhaps you should try some spelling variations:
"cong trinh luan van thi cong nhat thuong" » "cong trinh luan van thi cong nhat huong", "cong trinh luan van thi cong phan thuong", "cong trinh luan van thi cong luat thuong", "cong trinh luat van thi cong nhat thuong", "cong trinh quan van thi cong nhat thuong", "cong trinh toan van thi cong nhat thuong", "cong trinh luan van thi cong ha thuong", "cong trinh luan van thi cong suat thuong", "cong trinh luan van thi dang nhat thuong", "cong trinh luan van tai cong nhat thuong", "cong trinh luan van thien cong nhat thuong", "cong trinh luan dan thi cong nhat thuong", "cong trinh luan van thu cong nhat thuong"
"cong trinh han van thi cong nhan luong" » "cong trinh han van thi cong nhan tuong", "cong trinh han van thi cong phan luong", "cong trinh han van thi cong chat luong", "cong trinh quan van thi cong nhan luong", "cong trinh han van thi cong thanh luong", "cong trinh han van thi cong san luong", "cong trinh han van thi dung nhan luong", "cong trinh han van tai cong nhan luong", "cong trinh han van thien cong nhan luong", "cong trinh han dan thi cong nhan luong", "cong trinh han van thu cong nhan luong", "cong trinh phan van thi cong nhan luong", "cong trinh nhan van thi cong nhan luong", "cong trinh hanh van thi cong nhan luong"

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 nhat thuong") OR ("cong trinh han van thi cong nhan luong"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cong trinh luan van thi cong nhat thuong\") OR (\"cong trinh han van thi cong nhan luong\"))".
• Removing quotes may allow a broader search: (( cong trinh luan van thi cong nhat thuong ) OR ( cong trinh han van thi cong nhan luong )).
• Adding a wildcard symbol may retrieve word variants: (("cong trinh luan van thi cong nhat thuong") OR ("cong trinh han van thi cong nhan luong"))*.