Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan may moc snippets" » "nha may moc snippets", "nhan my moc snippets", "phan may moc snippets", "nhan may mac 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: (((("nhan may moc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan may moc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan may moc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan may moc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.