Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can nhe cac snippets" » "can nghe cac snippets", "can nha cac snippets", "can nhieu cac snippets", "can he cac snippets", "can nghe cao snippets", "can nghe cnc 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: (((("can nhe cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can nhe cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can nhe cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can nhe cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.