Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan le don snippets" » "hoang le don snippets", "khoan le don snippets", "hon le don snippets", "hoan le doan snippets", "hoan le dong snippets", "hoan le dan 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 le don 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 le don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan le don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan le don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.