Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh tranh » canh tranh, hanh trinh, hanh trang
trung cong » truong cong, trong cong, trung uong
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
san hanh » san thanh, van hanh, dan hanh
ban hanh » ban hang

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: toc thieu manh - hanh tranh cua trung cong ((san hanh) OR (ban hanh)) ca~.
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - hanh tranh cua trung cong ((san hanh) or (ban hanh)) ca*.