Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
cac khoi » cac thoi, cac khoan, cach thoi
ke trong » le trong, ke trang, ben trong
cac che » cac he, cac chien, cac chat
ban ve » ban va
ve y » ve ky, ve _, ke y
y ke » ly ke, y te, _ ke
tuyen » truyen, quyen

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tuyen tap ((((cach thuc) or (cac che))) or (cac khoi)) đe co ban ve y ke trong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((((cach thuc) OR (cac che))) OR (cac khoi)) đe co ban ve y ke trong cong.
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((((cach thuc) or (cac che))) or (cac khoi)) đe co ban ve y ke trong cong*.