Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoa san van snippets" » "hoa dan van snippets", "hoa van van snippets", "hoa han van snippets", "hoa tan van snippets", "hoa luan van snippets", "hoa tran van snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa san van snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( hoa san van snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoa san van snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.