Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai cong da snippets" » "tai cong da snippets", "dai cong da snippets", "li cong da snippets", "lai cong dan snippets", "lai cong dac snippets", "lai cong dau 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: (((("lai cong 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: (((("lai cong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai cong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai cong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.