Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"su han line snippets" » "su hoan linh snippets", "su than linh snippets", "su van linh snippets", "su phan line snippets", "su hoan line snippets", "su van line 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: (((("su han line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("su han line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( su han line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("su han line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.