Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sam ban chan snippets" » "sam dan chan snippets", "sam ban than snippets", "sam ban nhan snippets", "sao ban chan snippets", "lam ban chan snippets", "nam ban chan 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: (((("sam ban chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam ban chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sam ban chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sam ban chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.