Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu mat dan slippers" » "hieu mot dan slippers", "hieu bat dan slippers", "hieu luat dan slippers", "hieu hat dan slippers", "hieu mat bang slippers", "hieu mat dan slippery", "hieu mat 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 mat 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 mat dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu mat dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu mat dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.