Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan mo cham snippets" » "nhan my cham snippets", "phan mo cham snippets", "nhap mon cham snippets", "nhan moc cham snippets", "nhan co cham snippets", "nhan toc cham 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 mo cham 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 mo cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan mo cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan mo cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.