Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thieu lo de snippets" » "thieu so de snippets", "thieu o de snippets", "thien loc de snippets", "thieu bo de snippets", "thieu mo de snippets", "thieu do de 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 lo de 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 lo de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu lo de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu lo de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.