Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho tu can snippets" » "cho tu can snippets", "kho tu can snippets", "phong tu can snippets", "pho tu ban snippets", "pho tu cac snippets", "pho su can 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 tu can 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 tu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho tu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.