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