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