Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"xuan viet java slippers" » "gian viet java slippers", "san viet java slippers", "tran viet java slippers", "xuan viet va slippers", "xuan viet java slippery", "xuan viet 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: (((("xuan viet 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: (((("xuan viet java slippers") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuan viet java slippers ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuan viet java slippers") or ("using java java snippets"))) or ("locating bug code snippets"))*.