Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu chi voi snippets" » "huu khi voi snippets", "huu phi voi snippets", "huu nghi voi snippets", "huu choi voi snippets", "huu cham voi 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: (((("huu chi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu chi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu chi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu chi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.