Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan von co snippets" » "luan van co snippets", "luan hoan co snippets", "luan cong co snippets", "luan con co snippets", "luan von cong 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: (((("luan von co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan von co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan von co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan von co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.