Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai len cong snippets" » "lai den cong snippets", "lai le cong snippets", "lai len con snippets", "lai lon cong snippets", "hai lien cong snippets", "lai long 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: (((("lai len 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: (((("lai len cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai len cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai len cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.