Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh tranh » canh tranh, hanh trang, lanh tranh
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
cua sinh » hoa sinh, va sinh
song van » hoang van, trong van, duong van
toan ban » van ban
hoi cua » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi cua sinh - ((hanh tranh) or (hanh trinh)) cua nhung ((cong vang) or (song van)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi cua sinh - ((hanh tranh) OR (hanh trinh)) cua nhung ((cong vang) OR (song van)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoi cua sinh - ((hanh tranh) or (hanh trinh)) cua nhung ((cong vang) or (song van)) toan ban*.