Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan bot hoc snippets" » "phan bo hoc snippets", "phan bon hoc snippets", "phan hoa hoc snippets", "phan post hoc snippets", "phan bot khoa snippets", "phan buoc hoc 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 bot hoc 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 bot hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan bot hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan bot hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.