Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
thanh tranh » thanh thanh, thanh tran, thanh trang
thieu xanh » chieu xanh, hieu manh, thien danh
tranh chap » tranh cua, trinh chat
thien anh » thien danh, tien anh, thien thanh
chinh can » chinh ca, chinh ban, chinh cau
cong dan » cong san, cong tan, cong dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - thanh tranh chap thuong ((cong dan) or (huong dan)) chinh can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh tranh chap thuong ((cong dan) OR (huong dan)) chinh can.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - thanh tranh chap thuong ((cong dan) or (huong dan)) chinh can*.