Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong am cat snippets" » "dong nam cat snippets", "dong tam cat snippets", "don am cat snippets", "dong am ca snippets", "dong dam chat snippets", "dong lam chat 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: (((("dong am cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong am cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong am cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong am cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.