Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu le noi snippets" » "hieu ve noi snippets", "hieu he noi snippets", "hieu ly noi snippets", "hieu le hoi snippets", "hieu le loi 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: (((("hieu le noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu le noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu le noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu le noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.