Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phe phan can snippets" » "phi phan can snippets", "pho phan can snippets", "phieu phan can snippets", "phe phan cang snippets", "phe phan van snippets", "phe phan cac 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: (((("phe phan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe phan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phe phan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phe phan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.