Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc nam da snippets" » "duc nam da snippets", "luc lam da snippets", "luc tam da snippets", "luc nam dan snippets", "luc nam a snippets", "luc nam va 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 nam da 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 nam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc nam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc nam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.