Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
tien anh » tieng anh, tien manh, dien anh
cong dan » cong san, cong tan, huong dan
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu xanh) or (tien anh)) - hanh tranh cua thong cong dan can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu xanh) OR (tien anh)) - hanh tranh cua thong cong dan can cau.
• Adding a wildcard symbol may retrieve word variants: toc ((chieu xanh) or (tien anh)) - hanh tranh cua thong cong dan can cau*.