Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"peng su lan snippets" » "leng su lan snippets", "peng shi lan snippets", "phong su lan snippets", "peng su luan snippets", "peng sau lan snippets", "peng su van snippets", "peng su lan 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: (((("peng su lan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("peng su lan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( peng su lan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("peng su lan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.