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