Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
thuc cong » thuoc cong, thu cong, chuc cong
cac chu » cac thu, cac khu, ca chu
cac che » cac he, cac chien, cac chat
ty thuc » ty thuoc, tu thuc, y thuc
va ty » van ty, va ky, va tu
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 ((cac chu) or (cac che)) đe co ban va ty thuc cong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((cac chu) OR (cac che)) đe co ban va ty thuc cong cong.
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((cac chu) or (cac che)) đe co ban va ty thuc cong cong*.