Perhaps you should try some spelling variations:
"phan using java slippers" » "phan ung java slippers", "phan sinh java slippers", "python using java slippers", "phan using data slippers", "phan using java slippery", "phan using java grippers"
"ngu java java snippets" » "ngu va java snippets"
"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: (((("ngu java java snippets") or ("phan using java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngu java java snippets") OR ("phan using java slippers"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( ngu java java snippets ) or ( phan using java slippers ))) or ( locating bug code snippets ))*.