Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cua hon snippets" » "phap chua hon snippets", "phap lua hon snippets", "phat cua hon snippets", "phap cua hoi snippets", "phap cua hoc snippets", "phap ca hon 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 cua hon 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 cua hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cua hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.