Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
tinh ninh » ninh binh
cua thong » cua thuong, cua khong, cua tong
can tranh » canh tranh, tan tran, van ranh
tranh cua » doanh cua, manh cua
ninh cua » sinh cua, tinh cua, dinh cua
cong can » cong san, cong tan, cong dan

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) OR (chieu xanh)) - tinh ninh cua thong cong can tranh cua~".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (chieu xanh)) - tinh ninh cua thong cong can tranh cua*.