Perhaps you should try some spelling variations:
quyen tap » tuyen tap, luyen tap, quyen cap
cac thoi » cac toi, cac hop, cac tro
thi cong » tai cong, thien cong
cac thu » cach thuc
cac che » cac he, cac chien, cac chat
te cong » tai cong, thu cong
ban ve » ban va
ve y » ve ky, ve _, ke 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 tap ((((cac thu) or (cac thoi))) or (cac che)) đe co ban ve y ((te cong) or (thi cong)) cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quyen tap ((((cac thu) OR (cac thoi))) OR (cac che)) đe co ban ve y ((te cong) OR (thi cong)) cong.
• Adding a wildcard symbol may retrieve word variants: quyen tap ((((cac thu) or (cac thoi))) or (cac che)) đe co ban ve y ((te cong) or (thi cong)) cong*.