Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh tranh cua thong cong ((tan toan) OR (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh tranh cua thong cong ((tan toan) OR (van toan)) cau*.