Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc va cho snippets" » "duc va cho snippets", "tuc va cho snippets", "loc va cho snippets", "luc van cho snippets", "luc va co snippets", "luc va che 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 cho 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 cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc va cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc va cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.