Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu lao do snippets" » "lieu dao do snippets", "lieu lai do snippets", "lieu lam do snippets", "lieu lao o snippets", "lieu cao 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: (((("lieu lao do 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 lao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu lao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu lao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.