Perhaps you should try some spelling variations:
quyen tap » tuyen tap, luyen tap, quyen cap
cac chien » cuoc chien, van chien, nam chien
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
cac che » cac he, cac chat, sach che
ve ky » va ky, ke ky
ve y » ve _, ke y, te 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 che) or (cac chien)) đe co ban ((ve y) or (ve ky)) thi ((cong cong) OR (dung cong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quyen tap ((cac che) OR (cac chien)) đe co ban ((ve y) OR (ve ky)) thi ((cong cong) OR (dung cong)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "quyen tap ((cac che) or (cac chien)) đe co ban ((ve y) or (ve ky)) thi ((cong cong) OR (dung cong))".
• Adding a wildcard symbol may retrieve word variants: quyen tap ((cac che) or (cac chien)) đe co ban ((ve y) or (ve ky)) thi ((cong cong) OR (dung cong))*.