Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho doi doan snippets" » "cho doi doanh snippets", "cho doi dan snippets", "cho voi doanh snippets", "cho moi doan snippets", "cuoc doi doan snippets", "cho tuoi 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: (((("cho doi 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: (((("cho doi doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho doi doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho doi doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.