Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam chat ndu snippets" » "dam chat ndu snippets", "luan chat ndu snippets", "cao chat ndu snippets", "lam chat nhua snippets", "lam nhat ngu snippets", "lam chat huu 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: (((("lam chat ndu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam chat ndu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam chat ndu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam chat ndu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.