Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
chong cong » cong cong, cuong cong, phong cong
thong cong » trong cong, tong cong, thong thong
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
toan cau » 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: theo chu sang - hanh tranh luan ((chong cong) or (thong cong)) tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sang - hanh tranh luan ((chong cong) OR (thong cong)) tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu sang - hanh tranh luan ((chong cong) or (thong cong)) tinh toan cau*.