Perhaps you should try some spelling variations:
quyen tap » tuyen tap, luyen tap, quyen cap
cong cong » cong dong, trong cong, dung cong
sach che » sach thue, sach nha, sach cap
cac chat » cao chat, cac thuat, cac nha
cac che » cac he, cac chien
te cong » tai cong, thi cong, thu cong
ve y » ve ky, ve _, te y
ke y » ke ky, ke o

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