Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan co ho snippets" » "dan cho ho snippets", "dang co ho snippets", "danh co ho snippets", "dan co hoc snippets", "dan co hoi snippets", "dan co so 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: (((("dan co ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan co ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan co ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan co ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.