Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con phan van slippers" » "cong phan van slippers", "co phan van slippers", "bon phan van slippers", "con pham van slippers", "con thanh van slippers", "con luan van slippers", "con phan van slippery", "con phan 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("con phan van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con phan van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con phan van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con phan van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.