Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao lam da snippets" » "da lam da snippets", "dao nam da snippets", "dat lam da snippets", "dao lam dau snippets", "dao lam dao snippets", "dao lam dat 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 da 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 da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao lam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao lam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.