Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, dieu hanh, hien hanh
dan chinh » dang chinh, lan chinh, van chinh
chinh cau » chinh chau, chinh ca, chinh can
trung va » truong va, trang va, trung ha
va trong » va truong, va thong, va tuong
cong dan » cong san, cong tan, huong dan

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 (hieu manh))) or (chieu xanh)) - thanh trung va trong cong dan chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu xanh) OR (hieu manh))) OR (chieu xanh)) - thanh trung va trong cong dan chinh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu xanh) or (hieu manh))) or (chieu xanh)) - thanh trung va trong cong dan chinh cau*.