Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
nhap tinh » nhap kinh, phap tinh, nhai tinh
chinh sua » chinh su, chinh cua, chinh luan
sua nhung » cua nhung, qua nhung, chua nhung
hoi nhap » hoi dap, moi nhat
van toan » van tan, van thanh, manh toan
van tuan » van quan, van ban, anh tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi nhap tinh - hanh chinh sua nhung cong ((van toan) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi nhap tinh - hanh chinh sua nhung cong ((van toan) OR (van tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoi nhap tinh - hanh chinh sua nhung cong ((van toan) or (van tuan)) cao*.