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