Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nan chat hoa snippets" » "nhan chat hoa snippets", "van chat hoa snippets", "ban chat hoa snippets", "nan thuat hoa snippets", "nan chat va snippets", "nan cau hoa 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: (((("nan chat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nan chat hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nan chat hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nan chat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.