Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"he cao code snippets" » "he cao cong snippets", "he cao de snippets", "he cfd code snippets", "he co code snippets", "te cao code snippets", "he cac code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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