Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui duy doc snippets" » "bui huy doc snippets", "bui duc doc snippets", "bui quy doc snippets", "bui day doc snippets", "bui duy dac snippets", "bui duy dot 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: (((("bui duy 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: (((("bui duy doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui duy doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui duy doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.