Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng li va slippers" » "cheng lin va slippers", "cheng lu va slippers", "cheng yi va slippers", "cheng lai va slippers", "cheng ly va slippers", "cheng le va slippers", "cheng li va slippery", "cheng li va grippers"
"locating bug code snippets" » "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: (((("cheng li va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cheng li va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng li va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng li va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.