Perhaps you should try some spelling variations:
quyen tai » xuyen tai, nguyen tai, truyen tai
cong cong » trong cong, dung cong, dang cong
tai cac » tai cuc
cac khu » cac thu, cac khoi, cac kieu
ban le » ban ve
y thuc » ty thuc, y thuoc, _ thuc
le y » le ky, le sy, ly y
dong » dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: quyen tai cac khu đe co ban le y thuc ((cong cong) OR (cong dong))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen tai cac khu đe co ban le y thuc ((cong cong) OR (cong dong))".
• Adding a wildcard symbol may retrieve word variants: quyen tai cac khu đe co ban le y thuc ((cong cong) OR (cong dong))*.