Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong nam dep snippets" » "dong ha dep snippets", "dong tai dep snippets", "dong va dep snippets", "dong lam dep snippets", "dong nam de snippets", "dong nao dep 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 nam dep 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 nam dep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nam dep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nam dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.