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