Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phep va cao snippets" » "phap va cao snippets", "phep xa cao snippets", "php va cao snippets", "phep va cac snippets", "phep va co snippets", "phep va dao 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 va 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 va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phep va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phep va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.