Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
dan thanh » dang thanh, danh thanh, ban thanh
thanh sua » hanh sua, thanh qua, thanh xuan
doc hieu » toc thieu, hoc thieu, hoc hien
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: doc hieu manh - hanh ((trung cua) or (trung cap)) trong cong dan thanh sua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh ((trung cua) OR (trung cap)) trong cong dan thanh sua*.