Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc va line snippets" » "luc a line snippets", "luc va linh snippets", "luc bam line snippets", "duc va line snippets", "tuc va line snippets", "loc va line 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: (((("luc va line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc va line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc va line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc va line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.