Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sach » chinh sach, chiet tach, chieu sang
tran thanh » ban thanh, van thanh, quan thanh
thanh phan » thanh pho, thanh san, thanh toan
hanh dang » hanh dong, anh dang, hanh dung
van thong » van thuong, van phong, va thong
cong tran » cong tan, cong tuan, cong toan
hieu van » hieu va, thien van, lieu va
dang van » hoang van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu van) or (chieu sach)) - hanh dang van thong cong tran thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu van) OR (chieu sach)) - hanh dang van thong cong tran thanh phan*.