Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan cac con snippets" » "nhan cach con snippets", "phan dau con snippets", "phan lap con snippets", "phan cac cong snippets", "phan cach con snippets", "phan cac co 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 cac con 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 cac con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan cac con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cac con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.