Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan va he snippets" » "khoan va he snippets", "hoang va he snippets", "doan va he snippets", "hoan va che snippets", "hoan va ghe snippets", "hoan va de 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: (((("hoan va he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan va he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan va he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan va he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.