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