Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chu quang » chat quang, vu quang
khi hanh » thi hanh, chi hanh, chi nhanh
cua bang » chua bang, cua ban, cua dang
sang tac » sang tao, sang tai, sang than
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi hanh - ((hanh trung) OR (canh tranh)) ((cua bang) OR (chu quang)) sang tac toan ban~.
• Adding a wildcard symbol may retrieve word variants: doi khi hanh - ((hanh trung) or (canh tranh)) ((cua bang) or (chu quang)) sang tac toan ban*.