Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu sach hoi snippets" » "huu bach hoi snippets", "hau sach hoi snippets", "huu phach hoi snippets", "huu sach doi snippets", "huu sach moi snippets", "huu cach thoi 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 sach hoi 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 sach hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu sach hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu sach hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.