Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh su nghe snippets" » "hanh sua nghe snippets", "hinh su nghe snippets", "hanh tu nghe snippets", "hanh suc nghe snippets", "hanh xu nghe snippets", "hanh so nghe 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 su nghe 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 su nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh su nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh su nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.