Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi phap doc snippets" » "thi phap doc snippets", "phi phan doc snippets", "phi thap doc snippets", "phi phap hoc snippets", "phi phap coc snippets", "phi phap dot 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: (((("phi phap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi phap doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi phap doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi phap doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.