Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh he ho snippets" » "danh het ho snippets", "dan he ho snippets", "hanh he ho snippets", "danh he kho snippets", "danh hen ho snippets", "danh che ho 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: (((("danh he ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh he ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh he ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh he ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.