Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian quy doc snippets" » "giang qua doc snippets", "gian xu doc snippets", "van quy doc snippets", "gian quy don snippets", "gian duy doc snippets", "gian quan 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: (((("gian quy 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: (((("gian quy doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian quy doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian quy doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.