Perhaps you should try some spelling variations:
dang nganh » duong nganh, dung ngan, dang hanh
hanh tranh » canh tranh, hanh trinh, hanh trang
cong ngang » cong nhan, cong quang, cong lang
tranh cua » doanh cua, manh cua
toan chau » toan cau, tran chau, toan chay
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang

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: theo chu xanh - hanh tranh cua cong ((dang nganh) OR (cong ngang)) toan chau~.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh tranh cua cong ((dang nganh) or (cong ngang)) toan chau*.