Perhaps you should try some spelling variations:
thai cong » tai cong, thi cong, thanh cong
quyen tap » tuyen tap, luyen tap, quyen cap
cong cong » cong dong, trong cong, dung cong
cac thoi » cac toi, cac hop, cac tro
cac thu » cach thuc
ban vat » bang vat, ben vat, ban va
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 ((cac thu) OR (cac thoi)) đe co ban vat y thai cong cong~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen tap ((cac thu) OR (cac thoi)) đe co ban vat y thai cong cong".
• Adding a wildcard symbol may retrieve word variants: quyen tap ((cac thu) OR (cac thoi)) đe co ban vat y thai cong cong*.