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

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