Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban dua hon snippets" » "ban cua hon snippets", "ban sua hon snippets", "ban da hon snippets", "ban lua chon snippets", "ban dua khen 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: (((("ban dua 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: (((("ban dua hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban dua hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.