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