Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien danh
trung chap » trung cap, trung ha, tranh chap
thien anh » thien danh, tien anh, thien thanh
chinh cau » chinh chau, chinh ca, chinh can
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 trung chap thuong ((cong dan) or (huong dan)) chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh trung chap thuong ((cong dan) OR (huong dan)) chinh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (thien anh)) - thanh trung chap thuong ((cong dan) or (huong dan)) chinh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (thien anh)) - thanh trung chap thuong ((cong dan) or (huong dan)) chinh cau*.