Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam bi cong snippets" » "lam bo cong snippets", "lam tai cong snippets", "lam thi cong snippets", "lam gi cong snippets", "tam bi cong snippets", "lam di cong 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 bi cong 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 bi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam bi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam bi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.