Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu luc dan slippers" » "hieu luat dan slippers", "hieu qua dan slippers", "hieu luu dan slippers", "hieu tuc dan slippers", "hieu duc dan slippers", "hieu luc dan slippery", "hieu luc dan 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: (((("hieu luc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu luc dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu luc dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu luc dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.