Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tai thanh » thi thanh, tai chinh, ban thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong vang » cong lang, cong quang, cong ngang
song van » hoang van, trong van, duong van
toan ban » van ban
hoc tai » hoc dai, hoc tap, hoc bai

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

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