Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan lan go snippets" » "phan lap go snippets", "phan van go snippets", "phan loai go snippets", "phan lang go snippets", "phan lan o snippets", "phan lan lo 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: (((("phan lan go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan lan go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan lan go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan lan go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.