Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phep xa cao snippets" » "phap xac cao snippets", "phap xoa cao snippets", "phep mau cao snippets", "phep va cao snippets", "phep ca cao 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: (((("phep xa cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phep xa cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phep xa cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phep xa cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.