Perhaps you should try some spelling variations:
quyen cap » quyen cach, huyen cao, quyen cua
quyen con » quyen cong, tuyen chon, nguyen con
tieu dung » dieu duong, tin dung, viet dung
dung cong » dung trong
cac khoi » cac thoi, cac khoan, cach thoi
cac chu » cac thu, cac che, cac khu
y tieu » _ tieu, day tieu, vay tieu
va y » va ky, va my, vat 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 cap) or (quyen con)) ((cac chu) or (cac khoi)) đe co ban va y tieu dung cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((quyen cap) OR (quyen con)) ((cac chu) OR (cac khoi)) đe co ban va y tieu dung cong.
• Adding a wildcard symbol may retrieve word variants: ((quyen cap) or (quyen con)) ((cac chu) or (cac khoi)) đe co ban va y tieu dung cong*.