Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan lam di snippets" » "phang lam di snippets", "phan lap di snippets", "phan lan di snippets", "phan lam gi snippets", "phan lay di snippets", "phan nam di 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 lam di 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 lam di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan lam di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan lam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.