Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"le tang len snippets" » "le tang le snippets", "le tang men snippets", "le tang luan snippets", "le quang len snippets", "le trung len snippets", "le thanh len snippets", "le tang len slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("le tang len snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le tang len snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( le tang len snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("le tang len snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.