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