Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chau tinh » cuu tinh, ha tinh, cua tinh
chinh ban » chinh bao, chinh can, chinh luan
chinh va » chinh ta, chinh tai, hanh va
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van
o chau » a chau, 3 chau, moc chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: o chau tinh - hanh ((((chinh ngan) or (chinh ban))) or (chinh va)) thuong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: o chau tinh - hanh ((((chinh ngan) OR (chinh ban))) OR (chinh va)) thuong cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: o chau tinh - hanh ((((chinh ngan) or (chinh ban))) or (chinh va)) thuong cong dan van ban*.