Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan tri noi snippets" » "phan thi noi snippets", "thanh tri noi snippets", "chan troi noi snippets", "phan tri doi snippets", "phan tri moi snippets", "phan tri ngoai 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 tri 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: (((("phan tri noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan tri noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tri noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.