Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap giai ca snippets" » "phap giam ca snippets", "phan giai ca snippets", "phap gia ca snippets", "phap giai cac snippets", "phap giai ma snippets", "phap giai bai 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 giai ca 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 giai ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap giai ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap giai ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.