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