Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac doan cap snippets" » "cac doanh cap snippets", "cac dan cap snippets", "cac don cap snippets", "cac doanh cao snippets", "cac dan ca snippets", "cac toan cao 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: (((("cac doan cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac doan cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac doan cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac doan cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.