Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap gia toc snippets" » "phap giam toc snippets", "phap giao toc snippets", "phap giang toc snippets", "phap gia tac snippets", "phap gia thuc 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: (((("phap gia toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap gia toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap gia toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap gia toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.