Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh hang » thanh hang, hang hang, hanh han
hang cua » mang cua, hang ca, huong cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - hanh hang cua dang ((huong dan) or (((cong tan) or (cong san)))) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh hang cua dang ((huong dan) OR (((cong tan) OR (cong san)))) van ban.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh hang cua dang ((huong dan) or (((cong tan) or (cong san)))) van ban*.