Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc ve doi snippets" » "luoc ve doi snippets", "luc va doi snippets", "luc le doi snippets", "luc te doi snippets", "luc ve do 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 ve doi 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 ve doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc ve doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc ve doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.