Perhaps you should try some spelling variations:
hanh dang » anh dang, hanh dung, hanh mang
hanh dong » anh dong, ha dong
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
ho trieu » mot trieu, 25 trieu, 30 trieu
nhan tai » hang tai, toan tai
van tai » von tai, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - ((hanh dang) OR (hanh dong)) su dung cong vang ((nhan tai) or (van tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - ((hanh dang) OR (hanh dong)) su dung cong vang ((nhan tai) OR (van tai))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - ((hanh dang) OR (hanh dong)) su dung cong vang ((nhan tai) or (van tai))*".