Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"ngo thu java slippers" » "ngo ngu java slippers", "ngo thu va slippers", "ngo thi java slippers", "nguoi thu java slippers", "nghe thu java slippers", "ngo thu java slippery", "ngo thu 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: (((("ngo thu 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: (((("ngo thu java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngo thu java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngo thu java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.