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