Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » hanh trinh, hanh trang, lanh tranh
hoc video » hoc viet, hoc vien
video gan » video game, viem gan
cua nhung » va nhung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

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