Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang tu du snippets" » "hoang tu du snippets", "thang tu du snippets", "hanh tu du snippets", "hang tu duy snippets", "hang tu dau snippets", "hang tru du 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 tu du 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 tu du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang tu du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang tu du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.