Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
thong cong » trong cong, tong cong, thong thong
danh toan » manh toan, dan toan, dang toan
chao cuu » cham cuu, chao chu, khao cuu
trinh he » trinh han, trinh hoa, trinh thi
anh toan » manh toan, anh tuan, thanh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao cuu tinh - canh trinh he thong cong ((danh toan) or (anh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao cuu tinh - canh trinh he thong cong ((danh toan) OR (anh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: chao cuu tinh - canh trinh he thong cong ((danh toan) or (anh toan)) cau*.