Perhaps you should try some spelling variations:
dung cong » dung trong
cac thoi » cac toi, cac hop, cac tro
cac chu » cac thu, cac khu, ca chu
cac che » cac he, cac chien, cac chat
ban vat » bang vat, ben vat, ban va
te dung » tieu dung, tien dung, tin dung
vat y » vat ly, vat _
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))) or (cac thoi)) đe co ban vat y te dung cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tuyen tap ((((cac chu) OR (cac che))) OR (cac thoi)) đe co ban vat y te dung cong.
• Adding a wildcard symbol may retrieve word variants: tuyen tap ((((cac chu) or (cac che))) or (cac thoi)) đe co ban vat y te dung cong*.