Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van hang ap snippets" » "van khang ap snippets", "van hoang ap snippets", "van thang ap snippets", "van han ap snippets", "van tang ap snippets", "van hang tai snippets", "van hang ap slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("van hang ap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van hang ap snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van hang ap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.