Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu lai co snippets" » "lieu tai co snippets", "lieu bai co snippets", "lieu lam co snippets", "lieu lai cho snippets", "lieu loai co snippets", "lieu mai co 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: (((("lieu lai 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: (((("lieu lai co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu lai co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu lai co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.