Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac nghe mon snippets" » "cap nghe mon snippets", "cac nghi mon snippets", "can nghe mon snippets", "cac nghe moi snippets", "cac nghe son snippets", "cac nghe moc 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 nghe mon 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 nghe mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac nghe mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac nghe mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.