Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
tong cong » trong cong, cong cong, dung cong
ban toan » bai toan, ban than, van toan
toan cau » toan cao, toan ban, toan tap
3 chau » a chau, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: 3 chau tinh - hanh tranh cua ((bang cong) or (tong cong)) ban toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 3 chau tinh - hanh tranh cua ((bang cong) OR (tong cong)) ban toan cau*.