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