Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"php tan ngay snippets" » "php toan ngan snippets", "php hanh ngay snippets", "php tu ngay snippets", "pha tan ngay snippets", "phap tang ngay snippets", "phap tai ngay snippets", "php tan ngay slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("php tan ngay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("php tan ngay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( php tan ngay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("php tan ngay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.