Perhaps you should try some spelling variations:
cong cong » cong dong, trong cong, dung cong
thi cong » tai cong, thien cong
cac chu » cac thu, cac khu, ca chu
cac che » cac he, cac chien, cac chat
va my » va may, va ky, va mo
vat y » vat ly, vat _
va _ » van _
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 _) or (va my))) or (vat y)) thi 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 _) OR (va my))) OR (vat y)) thi cong cong.
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((cac chu) or (cac che)) đe co ban ((((va _) or (va my))) or (vat y)) thi cong cong*.