Perhaps you should try some spelling variations:
dong cong » duong cong, dung cong, dang cong
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
cua xang » chua xang, cua dang, cua hang
anh dang » anh dong, anh bang, anh danh
anh dung » anh dong, anh huong, sach dung
cua dong » chua dong, cua cong, cua dang
toan ban » van ban
khi cua » chi cua, thai cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: khi cua xang - ((anh dang) or (anh dung)) cua dong cong vang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: khi cua xang - ((anh dang) OR (anh dung)) cua dong cong vang toan ban.
• Adding a wildcard symbol may retrieve word variants: khi cua xang - ((anh dang) or (anh dung)) cua dong cong vang toan ban*.