Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"van ha dan snippets" » "van hoa dan snippets", "van chat dan snippets", "van hanh dan snippets", "van hat dan snippets", "van ha dang snippets", "van ha dan slippers"

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: (((("van ha dan snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van ha dan snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van ha dan snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.