Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh, bien tinh
chinh va » chinh ta, chinh tai, hanh va
va thong » va thuong, va phuong, he thong
dan chan » dan gian, dan ca, van chat
ban than » ban thanh, van thanh, ban hang
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: du lieu tinh - hanh chinh va thong cong ((((dan chan) or (ban than))) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: du lieu tinh - hanh chinh va thong cong ((((dan chan) OR (ban than))) OR (van tuan)) ban.
• Adding a wildcard symbol may retrieve word variants: du lieu tinh - hanh chinh va thong cong ((((dan chan) or (ban than))) or (van tuan)) ban*.