Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
tap quan » tac quan, hai quan
dang vat » dang van, dong vat, dang nhat
tap van » tap va, tap vat, tap doan
co dang » cao dang, co dan, co dong
te cong » tai cong, thi cong, thu cong
vat y » vat ly, vat _

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

• Performing a fuzzy search may retrieve terms with similar spellings: quyen ((tap van) OR (tap quan)) thu đe co dang vat y te cong cong~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen ((tap van) OR (tap quan)) thu đe co dang vat y te cong cong".
• Adding a wildcard symbol may retrieve word variants: quyen ((tap van) OR (tap quan)) thu đe co dang vat y te cong cong*.