Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phe van chi snippets" » "phi van chi snippets", "he van chi snippets", "pha van chi snippets", "phe van chien snippets", "phe luan chi snippets", "phe van chat 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: (((("phe van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe van chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phe van chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phe van chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.