Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho nghe noi snippets" » "kho nghe noi snippets", "khoe nghe noi snippets", "cheo nghe noi snippets", "pho nghe hoa snippets", "pho ghep noi snippets", "pho nghe vi 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: (((("pho nghe 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: (((("pho nghe noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho nghe noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho nghe noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.