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