Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung toan » truong toan, trung tuan, trung tran
thong cong » trong cong, tong cong, thong thong
hieu hanh » hien hanh, hieu manh, hien nhanh
hanh cham » thanh pham, hanh lam, hanh nam
cong dan » cong san, cong tan, huong dan
dan hanh » dang hanh, dan khanh, dan thanh

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 hanh) or (dieu hanh)) - thanh trung toan thong cong dan hanh cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu hanh) OR (dieu hanh)) - thanh trung toan thong cong dan hanh cham*.