Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam dao doc snippets" » "lam dau doc snippets", "nam dao doc snippets", "lam bao doc snippets", "lam dao duc snippets", "lam dao do snippets", "lam dat doc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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