Perhaps you should try some spelling variations:
"doi thang java slippers" » "doi thang va slippers", "doi think java slippers", "doi khang java slippers", "dai thang java slippers", "noi thang java slippers", "doi thang java slippery", "doi thang java grippers"
"using java java snippets" » "using data 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: (((("doi thang java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi thang java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi thang java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi thang java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.