Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc anh van slippers" » "luc canh van slippers", "duc anh van slippers", "luu anh van slippers", "luc anh va slippers", "luc thanh van slippers", "luc doanh van slippers", "luc anh van slippery", "luc anh van grippers"
"locating bug code snippets" » "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: (((("luc anh van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( luc anh van slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luc anh van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.