Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi su cac snippets" » "hoi suc cac snippets", "khoi su cac snippets", "thoi su cac snippets", "hoi tu cac snippets", "hoi su cao snippets", "hoi su can 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: (((("hoi su 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: (((("hoi su cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi su cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi su cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.