Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ven tong don snippets" » "vien tong don snippets", "ven song don snippets", "men tong don snippets", "ven tong son snippets", "ven trong dong 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: (((("ven tong don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ven tong don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ven tong don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ven tong don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.