Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc cac can snippets" » "phuc cam can snippets", "phuc ca can snippets", "phuc cham can snippets", "phuc cac dan snippets", "phuc cac van snippets", "phuc cac ban 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: (((("phuc cac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc cac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc cac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc cac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.