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