Perhaps you should try some spelling variations:
quyen cach » quyen sach, quyen anh
quyen cap » huyen cao, quyen con, quyen cua
cac chien » cuoc chien, van chien, nam chien
cac khoi » cac thoi, cac khoan, cach thoi
te cong » tai cong, thi cong, thu cong
te y » te o, tu y
ke y » ke ky, ke o
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 cap) OR (quyen cach)) ((cac khoi) or (cac chien)) đe co ban ((te y) or (ke y)) te cong dong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((quyen cap) OR (quyen cach)) ((cac khoi) OR (cac chien)) đe co ban ((te y) OR (ke y)) te cong dong.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((quyen cap) OR (quyen cach)) ((cac khoi) or (cac chien)) đe co ban ((te y) or (ke y)) te cong dong".
• Adding a wildcard symbol may retrieve word variants: ((quyen cap) OR (quyen cach)) ((cac khoi) or (cac chien)) đe co ban ((te y) or (ke y)) te cong dong*.