Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhai tinh » thai tinh, nhanh tinh, ha tinh
chinh sua » chinh su, chinh cua, chinh luan
sua nhung » cua nhung, qua nhung, chua nhung
hoi nhai » hoi nhap, hoi thoai, khoi nhat
van tuan » van quan, van ban, anh tuan
van tan » van ban, van thanh, van tien
van tai » von tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi nhai tinh - hanh chinh sua nhung cong ((((van tan) OR (van tai))) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi nhai tinh - hanh chinh sua nhung cong ((((van tan) OR (van tai))) OR (van tuan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi nhai tinh - hanh chinh sua nhung cong ((((van tan) OR (van tai))) or (van tuan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoi nhai tinh - hanh chinh sua nhung cong ((((van tan) OR (van tai))) or (van tuan)) cao*.