Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sai van tan snippets" » "san van tan snippets", "hai van tan snippets", "mai van tan snippets", "sai van tuan snippets", "sai van ban snippets", "sai van tai snippets", "sai van tan 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: (((("sai van tan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sai van tan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sai van tan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sai van tan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.