Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"ngan hang java slippers" » "ngan hang va slippers", "nganh hang java slippers", "nhan hang java slippers", "ngan hang java slippery", "ngan hang java grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ngan hang 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: (((("ngan hang java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngan hang java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngan hang java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.