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