Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan vot con snippets" » "khoan mot con snippets", "hoa vo con snippets", "toan von con snippets", "hoan mot con snippets", "hoan vat con snippets", "hoan vit con 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 vot con 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 vot con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan vot con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan vot con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.