Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh nghe di snippets" » "anh nghe di snippets", "van nghe di snippets", "lang nghe di snippets", "hanh nghe vi snippets", "hanh nghe dien snippets", "hanh nghe 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: (((("hanh nghe di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh nghe di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh nghe di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh nghe di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.