Perhaps you should try some spelling variations:
"cong trinh luat dinh thi huong cua luong" » "cong trinh luat kinh thi huong cua luong", "cong trinh luat hinh thi huong cua luong", "cong trinh luat danh thi huong cua luong", "cong trinh luat dinh thi phuong cua luong", "cong trinh luat dinh thi hong cua luong", "cong trinh luat dinh thu huong cua luong", "cong trinh luat dinh thi dung cua luong", "cong trinh luat dinh thi huong cu luong", "cong trinh luat dinh thi huong cua huong", "cong trinh luat dinh thi huong chat luong", "cong trinh luat dinh tri huong cua luong"
"cong trinh luat doanh tai huong cua luong" » "cong trinh luat doanh tai dung cua luong", "cong trinh luat doanh tai huong cu luong", "cong trinh luat doanh tai huong cua huong", "cong trinh luat doanh tai huong chat luong", "cong trinh luat doanh tai phuong cua luong", "cong trinh luat doanh tai thuong cua luong", "cong trinh luat doanh mai huong cua luong"

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