Perhaps you should try some spelling variations:
quyen tap » tuyen tap, luyen tap, quyen cap
bang cong » dang cong, bang song, dung cong
hang cong » dang cong, hang nong, thanh cong
may tien » may dien, may tinh, van tien
tap cac » tai cac, tap trac
cac chu » cac thu, cac che, cac khu
ban ve » ban va

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 chu đe co ((ban le) or (ban ve)) may tien ((bang cong) OR (hang cong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quyen tap cac chu đe co ((ban le) OR (ban ve)) may tien ((bang cong) OR (hang cong)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen tap cac chu đe co ((ban le) or (ban ve)) may tien ((bang cong) OR (hang cong))".
• Adding a wildcard symbol may retrieve word variants: quyen tap cac chu đe co ((ban le) or (ban ve)) may tien ((bang cong) OR (hang cong))*.