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