Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
doi lieu » duoc lieu, doi chieu, du lieu
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
chat cam » thuat cam, chat va, chat ban
chat cao » chat co, chat cho, chat bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi lieu tinh - hanh chinh ((cua dung) or (cua dang)) cong van ((chat cam) or (chat cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - hanh chinh ((cua dung) OR (cua dang)) cong van ((chat cam) OR (chat cao)).
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - hanh chinh ((cua dung) or (cua dang)) cong van ((chat cam) or (chat cao))*.