Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diem cho can snippets" » "hiem cho can snippets", "dien cho can snippets", "diem pho can snippets", "diem cho cac snippets", "diem cho phan snippets", "diem cho cong 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: (((("diem cho 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: (((("diem cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diem cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diem cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.