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